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UPSC CMS Pediatrics - Vaccinology & Immunization

Attempt UPSC CMS Pediatrics - Vaccinology & Immunization under real exam conditions. Features timed computer-based test interface, textbook explanations, and detailed subject rank analytics.

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Real CBT Simulator Grid & Percentile
Duration
15 Mins
Countdown timer with review palette.
Marking Scheme
+2.08 / -0.69
Exact negative marking as per official exam rules.
Textbook Citations
Harrison & Bailey
Standard medical textbook solution references.
Target Exam
UPSC CMS
Official paper pattern & syllabus coverage.

📝 Sample Question Preview from UPSC CMS Pediatrics - Vaccinology & Immunization

Below is a preview of sample questions included in this mock test. Launch the live simulator to attempt the complete test.

Question 1

Which of the following events

could be caused or precipitated by an active component of the vaccine?

1. Anaphylaxis after measles vaccine

2. Encephalopathy after DPT vaccine

3. Adenitis following BCG vaccine

4. Gastroenteritis following MMR vaccine

Select the correct answer using the code

given below.

A.

1, 2 and 3

B.

1, 2 and 4

C.

1, 3 and 4

D.

2, 3 and 4

Textbook Explanation Highlight:
🎯 Core Clinical Snapshot Correct Option: A: 1, 2 and 3 Key Takeaway: Adverse events following immunization (AEFIs) can be vaccine-induced, vaccine-potentiated, injection-related, program errors, or coincidental. Und...
Question 2

A 6-year old boy comes to the immunization clinic having received all vaccines as per schedule till 18 months of age. Which vaccine should be administered now?

A.

DTPw booster

B.

TdaP booster

C.

DT booster

D.

TT booster

Textbook Explanation Highlight:
National Immunization Schedule National Immunization Schedule Age Vaccines Given Birth BCG, Oral Polio Vaccine (OPV)-0 dose, Hepatitis B birth dose 6 Weeks OPV-1, Pentavalent-1, Rotavirus Vaccine (RVV)-1, fIPV-1, Pneumococcal Conjugate Vaccine (PCV)-...
Question 3

Consider the following statements:

1. Hepatitis B vaccine has reduced efficacy, if administered intramuscularly.

2. The maximum time allowed between reconstitution of MMR vaccine and use is 30 minutes.

3. Maternal antibodies do not interfere with cellular immune response to BCG vaccine.

4. DTWP is preferred to DTaP for primary immunization in most children.

Which of the statements given above are correct?

A. 1 and 2
B. 1 and 3
C. 2 and 4
D. 3 and 4
Textbook Explanation Highlight:
🎯 Core Clinical Snapshot Correct Option: D (Statements 3 and 4 are correct) Key Takeaway: BCG is a live-attenuated vaccine whose efficacy is based on cell-mediated immunity (CMI) which maternal humoral antibodies do not neutral...
Question 4
A 6-week-old infant is brought to the clinic for their first immunization visit. The mother reports the infant was born prematurely at 32 weeks gestation, weighing 1.8 kg, but is now healthy and thriving. Which of the following vaccines should be administered at this visit, considering the prematurity?
A. BCG, OPV-1, Pentavalent-1
B. Only BCG and OPV-1, delay Pentavalent-1
C. BCG, OPV-1, Pentavalent-1, and Rotavirus-1
D. Delay all vaccines until 2 months corrected age
Textbook Explanation Highlight:
Most routine childhood vaccines, including BCG, OPV, Pentavalent (DTP-HepB-Hib), and Rotavirus, should be administered to premature infants at their chronological age, regardless of their gestational age or birth weight, provided they are clinically...
Question 5
Under India’s National Immunization Schedule, which vaccine is routinely due at 9–12 months in a child who has received all earlier scheduled vaccines?
A. Measles-Rubella first dose
B. Measles-Mumps-Rubella first dose
C. DPT booster second dose
D. Td vaccine
Textbook Explanation Highlight:
India’s National Immunization Schedule gives the first Measles-Rubella (MR) dose at 9–12 months. MMR is used in other schedules, including IAP recommendations, but it is not the vaccine named in the national schedule for this visit.
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