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Microbiology · USMLE Step 1 · Healthcare and Nursing

USMLE Microbiology: Vaccines and Prevention

Vaccine types (live attenuated, inactivated, subunit, mRNA) and key vaccine-preventable disease facts tested on USMLE Step 1.

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35 basic cards for USMLE Step 1 Microbiology. Set 10 of 12 in USMLE Microbiology. It opens with "What type of vaccine contains a weakened form of a pathogen that can still" and "What type of vaccine contains a killed, non-replicating pathogen?". Study it alongside the other USMLE Step 1 sets below.

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What type of vaccine contains a weakened form of a pathogen that can still replicate?
Show answerLive attenuated vaccine
What type of vaccine contains a killed, non-replicating pathogen?
Show answerInactivated (killed) vaccine
What type of vaccine uses purified pieces of a pathogen, such as a protein or polysaccharide, instead of the whole organism?
Show answerSubunit vaccine
What type of vaccine uses a chemically inactivated bacterial exotoxin?
Show answerToxoid vaccine
What type of vaccine chemically links a weakly immunogenic polysaccharide to a carrier protein?
Show answerConjugate vaccine
What genetic material do mRNA vaccines deliver to host cells to produce a viral antigen?
Show answerMessenger RNA (mRNA) encoding the antigen
What type of vaccine uses a harmless virus engineered to carry genetic material for a target antigen?
Show answerViral vector vaccine
Is the MMR (measles, mumps, rubella) vaccine live attenuated or inactivated?
Show answerLive attenuated
Is the varicella (chickenpox) vaccine live attenuated or inactivated?
Show answerLive attenuated
Is the rotavirus vaccine live attenuated or inactivated?
Show answerLive attenuated
Is the yellow fever vaccine live attenuated or inactivated?
Show answerLive attenuated
Is the intranasal influenza vaccine (LAIV) live attenuated or inactivated?
Show answerLive attenuated
Is the BCG vaccine against tuberculosis live attenuated or inactivated?
Show answerLive attenuated
Is the oral polio vaccine (Sabin) live attenuated or inactivated?
Show answerLive attenuated
Is the injectable polio vaccine (Salk) live attenuated or inactivated?
Show answerInactivated

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