Midwife Licensure Exam The Midwife's Public Health Service Delivery — Immunization / EPI Delivery by the MidwifeRevision Notes
Quick revision notes for Immunization / EPI Delivery by the Midwife — the one-page refresher for Midwife Licensure Exam aspirants. Every item on this page has appeared in recent Midwife Licensure Exam The Midwife's Public Health Service Delivery papers, so revising these is the shortest path to a confident performance in Professional Regulation Commission (PRC) — Board of Midwifery's Midwife Licensure Exam 2026.
Exam context
For the Midwife Licensure Examination, Professional Regulation Commission (PRC) — Board of Midwifery tests The Midwife's Public Health Service Delivery under a "Core" label, with Immunization / EPI Delivery by the Midwife in the 3rd slot across 4 chapters. Midwife Licensure Exam candidates must clear the 75% weighted average cut on the 2026 paper, which draws about a meaningful share of The Midwife's Public Health Service Delivery questions. Date to watch: April and November 2026 (expected).
Immunization / EPI Delivery by the Midwife - Revision Notes
The Expanded Program on Immunization (EPI) was launched by the DOH in 1976 and remains one of the Philippines' most successful public health programs. As the frontline health worker at the Barangay Health Station (BHS), the midwife is responsible for running the entire immunization program — from maintaining the cold chain to administering vaccines, recording doses, and tracking defaulters. This chapter is consistently tested in the PRC Midwife Licensure Examination (MLE) because errors in vaccine handling or administration can have direct, irreversible consequences on a child's health. Mastery of the EPI schedule, cold-chain principles, correct administration techniques, and defaulter-tracking procedures is therefore both a clinical safety priority and an exam-critical competency.
Sections
Exam Tips
- Memorize: '+2°C to +8°C = BHS storage temperature.' This appears in virtually every MLE review.
- Remember the heat sensitivity order: OPV is MOST heat-sensitive, followed by BCG and MCV/MMR. These three go near the cold source.
- The freeze-sensitive group can be remembered by the mnemonic 'HePPITT': HepB, Pentavalent, PCV, IPV, TT/Td — NEVER freeze these.
- VVM rule: 'Inner as dark as outer = discard' — the inner square must be LIGHTER than the ring to use the vaccine.
- Shake test is ONLY for freeze-sensitive vaccines, not for OPV, BCG, or MCV.
- Reconstituted vaccine time limits are high-yield: BCG = 4 hours, Measles/MMR = 6 hours.
Key Points
- The cold chain is the unbroken system of storage and transport that maintains vaccines at a safe temperature from the manufacturer to the child's arm.
- At the health center and BHS level, the required storage temperature is +2°C to +8°C — this is the most critical number in the entire EPI program.
- During outreach, vaccines are transported in vaccine carriers with ice packs, still at +2°C to +8°C.
- At regional/provincial cold rooms, OPV may be stored frozen at -15°C to -25°C, but at the BHS level, ALL vaccines are stored at +2°C to +8°C.
- Vaccines are grouped by their sensitivity: heat-sensitive vaccines (OPV, BCG, MCV/MMR) go nearest the cold source; freeze-sensitive vaccines (HepB, Pentavalent/DPT-HepB-Hib, PCV, IPV, TT/Td) go on middle/lower shelves, never near the freezer.
- FEFO rule: First Expiry, First Out — always use the vaccine with the nearest expiry date first.
- Vaccine Vial Monitor (VVM): discard the vaccine when the inner square is as dark as or darker than the outer ring.
- Shake Test: used for freeze-sensitive vaccines suspected of being frozen; if flakes/sediment are visible and cannot be resuspended, discard the vial.
- Temperature must be recorded TWICE daily (morning and afternoon) using a thermometer kept inside the refrigerator.
- The refrigerator is for vaccines ONLY — no food, no drinks.
- Reconstituted BCG must be used within 4 hours; reconstituted measles/MMR within 6 hours. Both must be kept on ice and any remaining doses discarded after the session.
Definitions
Term
Cold Chain
Definition
The unbroken system of refrigerated storage and transport that maintains vaccines within their safe temperature range (+2°C to +8°C at BHS level) from manufacturer to recipient.
Importance
A broken cold chain renders vaccines ineffective or dangerous — a vaccinated child may remain unprotected without anyone knowing.
Term
Vaccine Vial Monitor (VVM)
Definition
A heat-sensitive label attached to the vaccine vial. The inner square progressively darkens with heat exposure. When the inner square is as dark as or darker than the outer ring, the vaccine must be discarded.
Importance
Allows the midwife to assess whether a vaccine has been exposed to damaging heat, even if the expiry date has not passed.
Term
Shake Test
Definition
A procedure to detect freeze-damaged vaccines. The suspect vial is shaken and observed: if flocculent particles (flakes) appear and settle faster than the control vial and cannot be resuspended, the vaccine was frozen and must be discarded.
Importance
Freeze-sensitive vaccines (HepB, Penta, PCV, IPV, TT/Td) are destroyed by freezing — a frozen-thawed vaccine looks intact but is ineffective.
Term
FEFO (First Expiry, First Out)
Definition
A stock management rule requiring that vaccines with the nearest expiry date are used first, regardless of when they arrived in the facility.
Importance
Prevents vaccine wastage from expiry; ensures potency of the dose given to the child.
Section Title
The Cold Chain: Keeping Vaccines Potent
Common Mistakes
- Confusing the storage temperature: some reviewees memorize -15°C to -25°C (which is the provincial cold room temperature for OPV) as the BHS temperature. The BHS temperature is always +2°C to +8°C.
- Storing freeze-sensitive vaccines (HepB, Penta, TT/Td) near the freezer compartment — these must NEVER be frozen.
- Placing OPV (most heat-sensitive) on the lower shelf away from the cold source — it must be nearest the cold source.
- Applying FIFO (First In, First Out) instead of FEFO — the rule is based on expiry date, not arrival date.
- Continuing to use a reconstituted BCG vial after 4 hours or a measles/MMR vial after 6 hours — these must be discarded.
- Placing food or drinks in the vaccine refrigerator — vaccines only.
Exam Tips
- Use the table: Birth → 6 wks → 10 wks → 14 wks → 9 mos → 12 mos. Know which vaccines go at each visit.
- High-yield fact: 'HepB birth dose within 24 hours' — expect this as a direct MLE question.
- IPV1 is the only 'new addition' at 14 weeks (alongside OPV 3, Penta 3, PCV 3); IPV2 is at 9 months.
- MCV1 at 9 months, MCV2 at 12 months — two doses, two different ages.
- FIC vs CIC distinction is frequently tested: FIC = before 12 months; CIC = after 12 months but before 24 months.
Key Points
- The EPI schedule is organized around key age milestones: at birth, 6 weeks, 10 weeks, 14 weeks, 9 months, and 12 months.
- Birth doses: BCG and Hepatitis B — both given at birth. The Hepatitis B birth dose MUST be given within 24 hours of birth to prevent mother-to-child (vertical) transmission.
- At 6, 10, and 14 weeks: Pentavalent (DPT-HepB-Hib), OPV, and PCV are given (three doses each).
- IPV is given in TWO doses: IPV1 at 14 weeks (with the third Pentavalent/OPV/PCV) and IPV2 at 9 months (with MCV1).
- MCV1 (measles-containing vaccine / MMR) is given at 9 months; MCV2 at 12 months. Two doses are required because a single dose does not achieve seroconversion in every child.
- The Pentavalent vaccine is a combination vaccine: DPT + HepB + Hib in one injection, reducing the number of separate shots.
- Prematurity does NOT change the schedule — immunize by chronological (actual) age, not corrected age.
Definitions
Term
Pentavalent Vaccine (DPT-HepB-Hib)
Definition
A combination vaccine that protects against five diseases in a single injection: Diphtheria, Pertussis (whooping cough), Tetanus, Hepatitis B, and Haemophilus influenzae type b (Hib, a cause of meningitis and pneumonia).
Importance
Reduces the number of injections per visit; included in the core infant immunization schedule at 6, 10, and 14 weeks.
Term
IPV (Inactivated Polio Vaccine)
Definition
An injectable, inactivated form of the polio vaccine. Part of the global polio eradication strategy. Given at 14 weeks (IPV1) and 9 months (IPV2) alongside oral polio vaccine (OPV).
Importance
Used in combination with OPV to achieve both intestinal immunity (OPV) and systemic immunity (IPV), maximizing polio eradication efforts.
Term
MCV (Measles-Containing Vaccine)
Definition
A live-attenuated vaccine that protects against measles; current Philippine schedule uses MMR (measles, mumps, rubella). Given in two doses: MCV1 at 9 months and MCV2 at 12 months.
Importance
Two doses are required to protect children who did not seroconvert after the first dose; measles remains a cause of child mortality in the Philippines.
Term
Fully Immunized Child (FIC)
Definition
A child who has received ALL required antigens (BCG, 3 doses Pentavalent/DPT, 3 OPV, 3 HepB, and at least one measles-containing vaccine) BEFORE reaching 12 months of age.
Importance
FIC is the primary program indicator for EPI success. On-time immunization protects children during their highest-risk months of life.
Term
Completely Immunized Child (CIC)
Definition
A child who has completed all required EPI antigens but did so AFTER the first birthday (between 12 and 23 months).
Importance
CIC status means the child is eventually protected but missed the optimal protection window. FIC is the preferred outcome.
Section Title
The Routine EPI Schedule
Common Mistakes
- Forgetting that the Hepatitis B birth dose has a strict 24-hour window — giving it at 6 weeks along with Pentavalent is too late for birth-dose purposes.
- Confusing IPV doses: IPV1 is at 14 WEEKS, not 6 weeks. IPV2 is at 9 MONTHS, given WITH MCV1.
- Thinking one dose of measles vaccine is enough — two doses (MCV1 at 9 months, MCV2 at 12 months) are required.
- Restarting the vaccination series from the beginning if a child defaulted — the series is CONTINUED from where it left off.
- Immunizing a premature baby based on corrected gestational age — always use chronological (calendar) age.
Exam Tips
- BCG is unique: it is the ONLY vaccine given by intradermal route and the ONLY one with a dose of 0.05 mL (all others are 0.5 mL or 2 drops).
- Know the 'thigh group' (IM): HepB, Penta, PCV, IPV — all 0.5 mL IM anterolateral thigh.
- Know the 'arm group' (SC): MCV/MMR — 0.5 mL SC upper outer arm.
- OPV is the only oral vaccine — 2 drops by mouth.
- A question asking about a BCG scar forming: this is NORMAL and expected — do not treat it as a complication.
Key Points
- BCG: 0.05 mL intradermal (ID), right upper arm/deltoid — the ONLY intradermal vaccine in the schedule.
- Hepatitis B (birth dose): 0.5 mL intramuscular (IM), anterolateral thigh (vastus lateralis).
- Pentavalent (DPT-HepB-Hib): 0.5 mL IM, anterolateral thigh (vastus lateralis).
- PCV: 0.5 mL IM, anterolateral thigh (vastus lateralis).
- IPV: 0.5 mL IM, anterolateral thigh (vastus lateralis).
- OPV: 2 drops oral (given by mouth).
- MCV1/MCV2 (MMR): 0.5 mL subcutaneous (SC), upper outer arm.
- Infant IM injections are given in the vastus lateralis (anterolateral thigh), NOT the buttock — the gluteal area risks sciatic nerve injury and has too much fat for proper absorption.
- BCG normally produces a small scar at the injection site — this is the expected response, not an infection.
- Use a new sterile auto-disable syringe for every dose — one needle, one child. Used sharps go into the safety collector box; do not recap needles.
- Give all vaccines due at a visit in one session, at different sites — no benefit in splitting visits.
Definitions
Term
Intradermal (ID) Injection
Definition
Injection directly into the dermis (the skin layer just below the epidermis), forming a small bleb or wheal. Used only for BCG in the EPI schedule.
Importance
Incorrect depth (going IM instead of ID for BCG) results in no wheal formation and may mean inadequate immunization or abscess formation.
Term
Vastus Lateralis (Anterolateral Thigh)
Definition
The preferred site for intramuscular injections in infants and young children. Located on the outer-front aspect of the thigh. Avoids the sciatic nerve and has adequate muscle mass in infants.
Importance
Using the buttock for IM injections in infants risks sciatic nerve damage — always use the anterolateral thigh.
Term
Auto-Disable (AD) Syringe
Definition
A single-use syringe designed to disable itself after one use (the plunger locks and cannot be pulled back again), preventing reuse and needle-stick injuries.
Importance
Ensures infection control; one syringe per child per dose is a non-negotiable EPI safety standard.
Term
Subcutaneous (SC) Injection
Definition
Injection into the tissue layer below the dermis and above the muscle. Used for MCV/MMR in the EPI schedule. The needle is inserted at a 45-degree angle.
Importance
Giving MMR IM instead of SC may reduce immunogenicity; correct technique matters for vaccine efficacy.
Section Title
Administration: Route, Site, Dose, and Technique
Common Mistakes
- Giving BCG intramuscularly instead of intradermally — BCG is the ONLY ID vaccine; it must raise a small wheal.
- Injecting IM vaccines (HepB, Penta, PCV, IPV) into the buttock — use the anterolateral thigh only.
- Giving MCV/MMR IM instead of subcutaneously — MMR is SC, upper outer arm.
- Giving OPV by injection — OPV is 2 drops ORAL, not injected.
- Recapping needles after use — increases needle-stick injury risk; always discard directly into the safety collector box.
- Reducing the dose to 'save vaccine' — always give the full prescribed dose.
Exam Tips
- MLE questions on contraindications often list four scenarios and ask which is a TRUE contraindication — anaphylaxis and clinical AIDS (for BCG) are the answers to know.
- Anything describing a 'mild' condition (mild fever, mild diarrhea, mild cough) is NOT a contraindication — vaccinate.
- Remember: malnutrition, prematurity, breastfeeding, antibiotics = NOT contraindications.
- The phrase 'every contact is an opportunity' is the guiding principle — if a question asks what to do when a child with colds comes to the BHS, the answer is: vaccinate.
Key Points
- True contraindications to immunization are FEW. The greatest public health danger is the 'missed opportunity' — turning away a child who should be immunized.
- TRUE contraindication: Anaphylaxis (severe allergic reaction) to a previous dose of the same vaccine or to a vaccine component — do not repeat that vaccine.
- TRUE contraindication: Previous severe reaction to DPT/Pentavalent (e.g., encephalopathy) — do not give further pertussis-containing doses.
- TRUE contraindication: BCG must NOT be given to a child with clinical signs of AIDS (symptomatic HIV/AIDS) because live attenuated vaccines can disseminate in a severely immunocompromised child.
- NOT a contraindication: Mild illness, low-grade fever, cough, colds, mild diarrhea — VACCINATE.
- NOT a contraindication: Malnutrition — an undernourished child NEEDS vaccines even more.
- NOT a contraindication: Being on antibiotics or recovering from illness — VACCINATE.
- NOT a contraindication: Prematurity or low birth weight — immunize by chronological age.
- NOT a contraindication: Breastfeeding — VACCINATE.
- The EPI principle: It is SAFE and EFFECTIVE to immunize a mildly ill child. Every contact is an opportunity.
Definitions
Term
Missed Opportunity for Vaccination
Definition
Occurs when an eligible child visits a health facility but is not vaccinated due to an incorrect reason (false contraindication), resulting in a lost chance to protect the child.
Importance
A leading cause of vaccine-preventable disease; identifying and eliminating missed opportunities is a core EPI strategy.
Term
Anaphylaxis
Definition
A severe, immediate systemic allergic reaction to a vaccine or its component. The only absolute contraindication to repeating the same vaccine.
Importance
Rare but life-threatening; midwife must keep the child under observation for at least 30 minutes after vaccination and know to refer any anaphylactic reaction immediately.
Section Title
Contraindications: True vs. False
Common Mistakes
- Refusing to vaccinate a child who has a mild fever, cough, or colds — mild illness is NOT a contraindication.
- Skipping vaccination for a malnourished child — malnourished children are MORE vulnerable and need vaccines urgently.
- Telling a breastfeeding mother to stop breastfeeding before or after vaccination — breastfeeding is not a contraindication and actually helps comfort the infant.
- Postponing vaccines for a premature or low-birth-weight infant until a 'corrected age' — use chronological age.
- Giving BCG to a child with known clinical AIDS — this is one of the few true contraindications.
Exam Tips
- The 'never restart a series' rule is tested frequently. If a question says a child received Penta 1 at 6 weeks but returned at 5 months, you give Penta 2 next — you do NOT restart.
- Know the FIC vs CIC distinction: FIC = before 12 months (goal); CIC = 12-23 months (still good but missed the window).
- The TCL is the tool; the FHSIS is the system — know both names.
- BHWs assist the midwife in defaulter tracking through home visits and community mobilization.
Key Points
- The midwife records every dose on two documents: the child's immunization card (given to the mother) and the Target Client List (TCL) for immunization at the BHS.
- The TCL feeds into the Field Health Services Information System (FHSIS), the national data reporting system for primary health care.
- FIC (Fully Immunized Child): received all required antigens BEFORE 12 months of age — this is the PROGRAM GOAL.
- CIC (Completely Immunized Child): completed all required doses but only after the first birthday (12-23 months).
- Defaulter: a child who missed a scheduled vaccination dose.
- Defaulter tracking: using the TCL and the master list of barangay infants, the midwife identifies defaulters and conducts home visits or sends reminders through Barangay Health Workers (BHWs).
- CRITICAL RULE: A defaulted child's series is CONTINUED from where it left off — NEVER restart a series from the beginning, regardless of how long ago the last dose was given.
- Immunization sessions at the BHS may be held on fixed schedules (Fixed Site) and during outreach activities (Outreach).
Definitions
Term
Target Client List (TCL) for Immunization
Definition
A facility-level register used by the midwife to list all eligible infants in the catchment area, track doses given, and identify children who have defaulted or are due for their next vaccine.
Importance
The TCL is the midwife's primary tool for monitoring immunization coverage and following up missed children.
Term
Field Health Services Information System (FHSIS)
Definition
The national data system for primary health care in the Philippines. Data from the BHS (including immunization records from the TCL) is compiled and reported upward to the RHU, provincial, regional, and national DOH levels.
Importance
Provides the basis for computing EPI coverage rates (FIC, CIC), identifying low-coverage areas, and planning immunization responses.
Term
Defaulter
Definition
A child who has received at least one vaccine dose but missed a subsequent scheduled dose, resulting in an incomplete immunization series.
Importance
Defaulter tracking and follow-up is a core midwife responsibility; incompletely immunized children remain vulnerable to vaccine-preventable diseases.
Section Title
Recording, Defaulter Tracking, and Program Indicators
Common Mistakes
- Restarting a vaccine series from the beginning when a child defaulted — the most common error; the rule is to CONTINUE, not restart.
- Recording only on the immunization card and not updating the TCL — both records must be maintained.
- Considering a CIC child the same as an FIC — FIC means completed before 12 months; CIC means completed after 12 months. They are different program indicators.
- Not conducting home visits for defaulters — active follow-up is the midwife's responsibility.
Connections
- EPI connects directly to MATERNAL CARE: The midwife also administers Tetanus Toxoid (TT/Td) to pregnant women as part of antenatal care — the same cold-chain principles, IM route (deltoid for adults), and FEFO rules apply.
- EPI connects to NEWBORN CARE / EINC (Unang Yakap): BCG and Hepatitis B birth doses are given as part of the immediate newborn care package — the 4th step of Unang Yakap. The midwife giving birth in a lying-in clinic must be ready to administer these within the first hour (BCG) and within 24 hours (HepB).
- EPI connects to COMMUNITY HEALTH / BEmONC: Immunization coverage data (FIC rates) is a key BEmONC and MNCHN performance indicator. Low FIC coverage triggers community mobilization and outreach immunization sessions.
- EPI connects to FHSIS REPORTING: The midwife's TCL entries feed the Monthly Consolidation Table (MCT) and reports submitted to the RHU, which in turn reports to the PHO and national DOH. Accurate recording at the BHS level is the foundation of national health statistics.
- EPI connects to NUTRITION: Malnourished children are at higher risk of vaccine-preventable diseases and are prioritized for immunization — connecting EPI to the Operation Timbang Plus (OPT+) and supplemental feeding programs.
- EPI connects to DISEASE SURVEILLANCE: Detection of measles cases, polio AFP (Acute Flaccid Paralysis) cases, or pertussis clusters in an unimmunized community triggers an immediate report by the midwife to the RHU for outbreak investigation — connecting EPI to the Integrated Disease Surveillance and Response (IDSR) system.
- EPI connects to HEALTH EDUCATION: The midwife counsels parents on the EPI schedule, expected post-vaccination reactions (BCG scar, mild fever after Penta), and the importance of completing the series — a communication task that bridges clinical and public health roles.
Exam Strategy
EPI questions in the PRC Midwife Licensure Examination (MLE) consistently fall into four high-yield categories: (1) Cold-chain temperatures and rules — memorize +2°C to +8°C as the BHS/health center temperature; know heat-sensitive vs. freeze-sensitive vaccines and their shelf placement; master VVM and shake test criteria. (2) The immunization schedule — know the exact vaccines for each visit (birth, 6/10/14 weeks, 9 months, 12 months); know IPV timing (14 wks and 9 mos); know that HepB birth dose must be within 24 hours. (3) Administration technique — BCG is the only ID vaccine (0.05 mL); IM vaccines go in the anterolateral thigh (never the buttock) in infants; MMR/MCV is SC; OPV is oral. (4) Contraindications, recording, and defaulter tracking — know true vs. false contraindications (mild illness is NOT one); know FIC vs. CIC; know that you CONTINUE, never restart, a defaulted series. For any scenario-type question, apply the EPI principle: 'every contact is an opportunity — do not miss it.' When in doubt between vaccinating a mildly ill child and postponing, the answer is always to vaccinate. Review the EPI table at least three times before the exam, and use flashcards for the vaccine-by-vaccine route/site/dose details.
Quick Review Questions
What is the required cold-chain storage temperature for vaccines at the Barangay Health Station (BHS) level?
All vaccines at the BHS and health center level are stored at +2°C to +8°C. The -15°C to -25°C range applies to OPV storage at regional or provincial cold rooms, not at the service-delivery (BHS) level. This is the single most tested cold-chain fact in the MLE.
Which vaccines are most heat-sensitive and must be stored nearest to the cold source in the refrigerator?
These are live-attenuated vaccines that lose potency quickly with heat exposure. They are placed on the top shelf or nearest the freezer compartment. In contrast, freeze-sensitive vaccines (HepB, Penta, PCV, IPV, TT/Td) must be placed away from the freezer to avoid accidental freezing.
A midwife suspects a vial of Pentavalent vaccine may have been accidentally frozen. What should she do?
The shake test is used exclusively for freeze-sensitive vaccines. A vaccine that has been frozen and thawed will show visible particles that settle faster than a control vial and cannot be resuspended. Such a vaccine is considered damaged and must be discarded, even if it appears clear when shaken gently.
At what age and within what time frame must the Hepatitis B birth dose be given, and why?
The Hepatitis B birth dose must be given within 24 hours to prevent perinatal (mother-to-child) transmission. If the baby is born to a Hepatitis B-positive mother, delaying the birth dose significantly increases the risk of vertical transmission. This is a non-negotiable EPI requirement.
State the complete vaccination schedule for a child visiting the BHS at 14 weeks of age.
The 14-week visit completes the primary series of Pentavalent, OPV, and PCV (third doses) and introduces the first dose of IPV. IPV1 is unique to the 14-week visit; the second IPV dose (IPV2) is given later at 9 months together with MCV1.
What route, site, and dose is used for BCG vaccination?
BCG is the ONLY intradermal vaccine in the EPI schedule. The dose (0.05 mL) is much smaller than the standard 0.5 mL IM dose used for other vaccines. Correct intradermal injection raises a small wheal; a BCG scar forming weeks later is the normal, expected outcome — not an infection.
A one-year-old child comes to the BHS with a mild cough and runny nose. She has not received MCV1 yet. What should the midwife do?
Mild illness, mild fever, cough, and colds are NOT contraindications to vaccination. The EPI principle is that it is safe and effective to immunize a mildly sick child. Postponing vaccination wastes a health contact and leaves the child unprotected. The midwife should vaccinate and consider giving both MCV1 and MCV2 as the child has missed both.
What is the difference between a Fully Immunized Child (FIC) and a Completely Immunized Child (CIC)?
FIC is the program's primary goal because completing the series before age 12 months protects children during their most vulnerable period. CIC children are still protected, but their protection came late. The midwife should aim to achieve FIC status for every child in her catchment area.
A child received Pentavalent 1 at 6 weeks but was lost to follow-up and returns at 7 months. What is the correct action regarding the Pentavalent vaccine?
The EPI rule is 'never restart a series, always continue it.' The interval between doses does not invalidate previous doses; the immunity from the first dose is retained. Restarting wastes doses and delays full protection. The midwife should give Penta 2, then schedule Penta 3 appropriately.
Which vaccines are freeze-sensitive and must NEVER be frozen, and what test confirms freeze damage?
Freezing destroys the adjuvant (the component that boosts immune response) in inactivated vaccines, rendering them ineffective while appearing intact. The shake test differentiates a frozen-thawed vial from an intact one. Freeze-sensitive vaccines must be stored on the middle/lower refrigerator shelves, away from the freezer compartment.
Previous chapter
Family Planning Provision by Midwives
Next chapter
Prenatal Home-Based and Postnatal Home Care
Ready to practise for the Midwife Licensure Exam 2026?
Super Tutor's AI review plan adapts to your weak areas and builds a weekly practice schedule around your target Midwife Licensure Exam exam date.