W1993 Four Corners hantavirus outbreak
WAndes orthohantavirus
WAngiostrongylus cantonensis
WAngiostrongylus costaricensis
WBubonic plague
WCryptosporidium parvum
WEndocarditis
WEpidemic typhus
WFlavivirus
WHantavirus hemorrhagic fever with renal syndrome
WHantavirus pulmonary syndrome
WHepatitis E
WLassa fever
WLeptospirosis
WMycoplasma
WOriental rat flea
WOrthohantavirus
WPlague (disease)
WQ fever
WRabies
WSalmonella
WSarcocystis
WStreptobacillus
WToxoplasma gondii
WTrichinosis
WUrban plague