Paper I — 2023 July (Supplementary) (2010 Scheme) — Q10

Paper I

2023 July (Supplementary) (2010 Scheme) · 40 marks · 120 min

Question

Give three examples of live attenuated vaccines.

Q102 marksShort Notes★✓

Answer

Three examples of live attenuated vaccines (containing a weakened form of the live pathogen, which replicates in the host without causing full-blown disease, generating a robust and durable immune response):

1. BCG (Bacille Calmette-Guérin) vaccine — live attenuated Mycobacterium bovis.
2. Oral polio vaccine (OPV) — live attenuated poliovirus.
3. MMR vaccine — live attenuated measles, mumps, and rubella viruses.

(Other valid examples: varicella vaccine, yellow fever vaccine, oral typhoid vaccine Ty21a.)

Related Concepts

1. 1Vaccines and Immunoprophylaxis

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