Microbiology · USMLE Step 1

USMLE Microbiology: Viruses Classification

Virus families grouped by genome type and structure, with the key identifying feature and a representative disease for each.

40 cards · basic cards · AI-written, checked twice. Edit anything.

Study this set free Get FlashKeepers for iPhone
What type of genome does Parvoviridae have?
Single-stranded DNA (ssDNA)
Parvovirus B19 causes which classic childhood illness?
Erythema infectiosum (fifth disease)
What is the genome/capsid structure of Papillomaviridae?
Circular double-stranded DNA, non-enveloped
High-risk HPV types (16, 18) are strongly associated with which cancer?
Cervical cancer
What is the genome/capsid structure of Polyomaviridae?
Circular double-stranded DNA, non-enveloped
JC virus (Polyomaviridae) causes which demyelinating disease in immunosuppressed patients?
Progressive multifocal leukoencephalopathy (PML)
What is the genome/capsid structure of Adenoviridae?
Linear double-stranded DNA, non-enveloped, icosahedral capsid
Adenovirus classically causes which combination of symptoms?
Pharyngoconjunctival fever (sore throat plus conjunctivitis)
What genome/envelope structure do all Herpesviridae share?
Linear double-stranded DNA, enveloped
Which herpesvirus is the classic cause of infectious mononucleosis?
Epstein-Barr virus (EBV)
Poxviridae is the only DNA virus family that replicates entirely in the ____ of the host cell.
cytoplasm
Among all viruses that infect humans, Poxviridae holds which size distinction?
Largest human virus
What is the genome structure of Hepadnaviridae?
Partially double-stranded, circular DNA, enveloped
Hepatitis B virus (Hepadnaviridae) uniquely relies on which enzyme to replicate its DNA genome?
Reverse transcriptase
What is the genome/capsid structure of Picornaviridae?
Positive-sense single-stranded RNA, non-enveloped, small icosahedral capsid

25 more cards in the app