Table II.

%Arenaviruses according to their ecologic characteristics and rodent reservoirs

Arenavirus	Rodent	Location	Habitat	Human contact
Old World arenaviruses
LCM virus	Mus musculus, Mus domesticus (house mouse), Mesocricetus auratus (Syrian hamster)	Europe, Asia, and the Americas	Peridomestic, grasslands	Primarily within households
Lassa virus	Mastomys natalensis	West Africa	Savanna, forest clearing	Primarily within houses
Classic New World arenaviruses
Junin virus	Calomys masculinus (corn mouse), Akodon azarae (grass field mouse), Bolomys obscurus (dark field mouse)	Argentina (pampas)	Grasslands, cultivated fields, and hedgerows	Occupational in fields
Machupo virus	Calomys callosus (vesper mouse)	Bolivia	Peridomestic, grasslands	Primarily within houses
Guanarito virus	Sigmodon alstoni (cane mouse)	Venezuela	Grasslands, brush	Within houses
Sabia virus	Unknown	Brazil	Unknown	Associated with several human cases, including a laboratory worker in Connecticut
Selected less common New World arenaviruses
Tamiami virus	Sigmodon hispidus (cotton rat)	Florida	Grasslands, marsh	Unclear
Whitewater Arroyo virus	Neotoma albigula (white-throated wood rat)	California, New Mexico	Grasslands	Unclear