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Questions and Answers
What is the recommended action for children aged 6-9 months receiving the measles vaccine?
What is the recommended action for children aged 6-9 months receiving the measles vaccine?
Why should malnourished children with measles be isolated?
Why should malnourished children with measles be isolated?
How can vitamin A be administered according to the content?
How can vitamin A be administered according to the content?
What is the primary method of hepatitis B transmission mentioned?
What is the primary method of hepatitis B transmission mentioned?
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When is the designated immunization day in government health facilities?
When is the designated immunization day in government health facilities?
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What type of immunity is developed by the body's own immune system?
What type of immunity is developed by the body's own immune system?
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What happens to passive immunity over time?
What happens to passive immunity over time?
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How do live-attenuated vaccines function in the body?
How do live-attenuated vaccines function in the body?
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What characterizes inactivated vaccines?
What characterizes inactivated vaccines?
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Which of the following vaccines uses a specific, isolated protein of a pathogen?
Which of the following vaccines uses a specific, isolated protein of a pathogen?
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What is the primary purpose of a vaccine?
What is the primary purpose of a vaccine?
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What is a common feature of live-attenuated vaccines?
What is a common feature of live-attenuated vaccines?
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Which types of vaccines are effective against life-threatening diseases?
Which types of vaccines are effective against life-threatening diseases?
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What is the effectiveness of the measles vaccine?
What is the effectiveness of the measles vaccine?
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What age group is at greatest risk of developing severe Rotavirus infection?
What age group is at greatest risk of developing severe Rotavirus infection?
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Which vaccine is particularly responsible for causing severe illnesses like meningitis and pneumonia in children?
Which vaccine is particularly responsible for causing severe illnesses like meningitis and pneumonia in children?
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Which of the following is NOT recommended when administering vaccines to infants?
Which of the following is NOT recommended when administering vaccines to infants?
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Which vaccine is specifically indicated for administration as a birth dose?
Which vaccine is specifically indicated for administration as a birth dose?
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What is the correct sequence for coadministration of vaccines?
What is the correct sequence for coadministration of vaccines?
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What must not happen when administering the OPV vaccine?
What must not happen when administering the OPV vaccine?
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Which statement is correct regarding vaccination series for infants?
Which statement is correct regarding vaccination series for infants?
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What is the target percentage for immunization of infants/children against common vaccine-preventable diseases in the Philippines?
What is the target percentage for immunization of infants/children against common vaccine-preventable diseases in the Philippines?
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Who is responsible for calculating the vaccine requirements at the RHU/health center level?
Who is responsible for calculating the vaccine requirements at the RHU/health center level?
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Which formula is used to estimate the number of pregnant women in the eligible population?
Which formula is used to estimate the number of pregnant women in the eligible population?
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What is the correct temperature range for storing OPV vaccines?
What is the correct temperature range for storing OPV vaccines?
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Which of the following vaccines is stored in the refrigerator at temperatures of +2 to +8⁰C?
Which of the following vaccines is stored in the refrigerator at temperatures of +2 to +8⁰C?
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What is the primary responsibility of the Cold Chain Officer?
What is the primary responsibility of the Cold Chain Officer?
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In the event of an electrical breakdown, what should the Cold Chain Officer implement?
In the event of an electrical breakdown, what should the Cold Chain Officer implement?
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Which of the following requirements is significant for maintaining the potency of EPI vaccines?
Which of the following requirements is significant for maintaining the potency of EPI vaccines?
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Which vaccines should not be stored in the freezer due to potential damage?
Which vaccines should not be stored in the freezer due to potential damage?
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What is the maximum duration for which multidose vaccines can be used after opening?
What is the maximum duration for which multidose vaccines can be used after opening?
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Which one of the following is NOT a requirement to use multidose vials post-opening?
Which one of the following is NOT a requirement to use multidose vials post-opening?
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What should the VVM on a vaccine vial help to indicate?
What should the VVM on a vaccine vial help to indicate?
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What special precaution must be taken with BCG vaccine?
What special precaution must be taken with BCG vaccine?
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What should you do with reconstituted freeze-dried vaccines after 6 hours?
What should you do with reconstituted freeze-dried vaccines after 6 hours?
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Under what condition can a multidose vial be opened for one or two clients?
Under what condition can a multidose vial be opened for one or two clients?
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What storage guideline should be followed to maintain vaccine potency?
What storage guideline should be followed to maintain vaccine potency?
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Study Notes
Immunity: Active & Passive
- Active immunity is acquired through exposure to an antigen.
- The immune system develops its own antibodies to fight off the antigen.
- This type of immunity tends to be long-lasting, often persisting for a lifetime.
- Passive immunity is acquired through the transfer of antibodies from another individual, typically via injection.
- This type of immunity is temporary, lasting for a few weeks or months.
Vaccine Types
- Live-attenuated vaccines (LAV) are produced from weakened disease-causing pathogens, such as viruses or bacteria.
- These vaccines stimulate the immune system without causing significant illness.
- LAVs have been available since the 1950s.
- Inactivated vaccines use killed pathogens that have been rendered harmless through physical or chemical processes.
- Because they are inactive, they cannot cause disease.
- Subunit vaccines only present specific antigens to the immune system, rather than the whole pathogen.
- A common type is protein-based subunit vaccines, which use a specific, isolated protein from a pathogen.
Measles
- Children aged 6-9 months should receive a second dose of measles vaccine if their initial dose occurred before 9 months.
- Children hospitalized with measles should be isolated for at least four days after the rash appears.
- Malnourished children with measles should be isolated for the duration of their illness.
Vitamin A
- Approximately 124 million children under 5 years of age globally suffer from vitamin A deficiency.
- In regions with known vitamin A deficiency, the vitamin can be administered alongside the measles vaccine or other recommended EPI vaccines.
Pertussis
- Not included in the supplied text.
Tetanus
- Not included in the supplied text.
Hepatitis B
- Hepatitis B is a potentially serious liver infection caused by the hepatitis B virus.
- Transmission can occur through:
- Exposure to infected blood, such as through unsterilized needles or syringes.
- Mother-to-child transmission during birth.
- Contact with infected blood or bodily fluids during social interactions.
- Sexual intercourse.
Yellow Fever
- Not included in the supplied text.
Infant & Young Children Immunization Schedule
- Wednesday is typically designated as immunization day in government health facilities.
- The Philippine Department of Health (DOH) prescribes the schedule and method of infant immunization.
- The hepatitis B vaccine is administered at birth to reduce the risk of a child becoming a carrier.
- Measles vaccine is 85% effective.
- Rotavirus vaccine and Hib vaccine were introduced as part of EPI in 2012.
- Rotavirus is a common cause of severe diarrhea in infants and children.
- Hib is a bacterium responsible for serious illnesses such as meningitis and pneumonia, particularly affecting children under 5 years of age, especially those between 4 and 18 months.
Immunization Administration: Key Considerations
- Use a sterile syringe and needle for each client.
- Vaccination series do not need to be restarted, regardless of the time lapsed between doses.
- EPI antigens are safe and effective when administered simultaneously, but at different sites.
- Mixing different vaccines in one syringe or using a fluid vaccine to reconstitute a freeze-dried vaccine is not recommended.
- OPV is administered orally, by dropping it onto the child's tongue.
- Only monovalent hepatitis B vaccine should be used for the birth dose, as pentavalent vaccine is not suitable for newborns.
- The recommended sequence for coadministration of vaccines is OPV, followed by Rotavirus vaccine, and then other appropriate vaccines.
Target Setting & Vaccine Requirements
- The EPI goal in the Philippines is to achieve 100% immunization of infants and children against vaccine-preventable diseases.
- The public health nurse at each RHU/health center level is responsible for monitoring vaccine allocation and requirement calculations.
Maintaining Potency of EPI Vaccines
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Cold Chain Management:
- The cold chain ensures the potency of vaccines from manufacturing until administration.
- The Cold Chain Officer is responsible for maintaining equipment and supplies related to cold chain management.
- The public health nurse at the RHU/health center level typically acts as the Cold Chain Officer.
- OPV should be stored at -15 to 25°C in a freezer.
- Other vaccines, such as Measles, MMR, and Rotavirus, are stored in a refrigerator at +2 to +8°C.
- Hepatitis B, Pentavalent, Rotavirus, and TT are damaged by freezing.
- Diluted vaccines should be stored in the refrigerator on the lower shelves or door shelves.
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Other Important Considerations:
- First-expiry-first-out (FEFO) policy should be followed.
- Recommended storage and transport durations should be adhered to.
- VVM should be monitored.
- The DOH's open-vial policy should be strictly followed.
- Freeze-dried vaccines should be reconstituted only with the diluents provided.
- Reconstituted freeze-dried vaccines should be discarded 6 hours after reconstitution or at the end of the immunization session, whichever occurs sooner.
- BCG should be protected from sunlight, and Rotavirus vaccine should be shielded from light.
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Side Effects & Adverse Reactions:
- Vaccine recipients or their guardians should be informed of potential side effects or adverse reactions.
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Description
Explore the differences between active and passive immunity in this quiz. Learn about various vaccine types, including live-attenuated, inactivated, and subunit vaccines. Test your understanding of how these components work to protect against disease.