Pathogenesis > Infectious Disease > Viral

Viral

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DNA Viruses

Herpesviridae        (HSV,VZV, EBV, CMV)
Hepadnaviridae        (hepatitis B virus)
Papovaviridae        (HPV)
Parvovirus in pregnant women, can cause abortion early in pregancy and hydrops in second trimester                (fifth disease, glove and stocking purpura, arthritis and itch)
Poxvirus                (orthopox vs. parapox)

 

Herpes viruses intranuclear inclusions

Poxviruses intracytoplasmic inclusions

 

 

rna viruses

Picornaviridae        (Hepatitis A, coxsackiviridae, echovirus)
Togaviridae                (rubella, mosquito born encephalitis)
Paramyxoviridae        (measles (rubeola),  mumps)
Retroviridae                (HIV, HTLV)
Flaviviridae                (Hepatitis C)

 

 

hepatitis B,C,D urticarial lesions

hepatitis A,E associated with exanthems

 

 

Favorite Board Questions

most common etiology of non-specific “viral exanthems” - echovirus and coxsackiviridae; a non-specific exanthem with non-specific viral systemic symptoms

 

only single-stranded DNA virus - parvovirus (mnemonic: it is as simple as a par 1 golf course)