Table I.

%Tropical viruses with dermatologic findings

Virus family	Characteristics	Virus
RNA viruses
Flaviviridae	Single-stranded RNA, positive-sense, enveloped	Dengue virus
		Yellow fever virus
		West Nile virus
Filoviridae	Single-stranded RNA, negative-sense, enveloped	Ebola virus
		Marburg virus
Bunyaviridae	Single-stranded RNA, negative-sense, enveloped	Hantavirus complex, Rift Valley fever virus, and Crimean-Congo hemorrhagic fever virus
Arenaviridae	Single-stranded RNA, negative-sense, enveloped	Lassa virus, Tacaribe complex virus (Junin, Sabia, Guanarito, and Machupo viruses)
Retroviridae	Single-stranded RNA, positive-sense	Human T-cell leukemia virus type I (HTLV-I)
DNA viruses
Herpesviridae	Double-stranded DNA, enveloped	Herpesvirus simiae (B virus)
Poxviridae	Double-stranded DNA, enveloped	Monkeypox virus