WAnaplasmosis
WAnthrax
WBrucellosis
WBubonic plague
WCat-scratch disease
WChlamydia abortus
WErysipeloid
WLeptospirosis
WListeriosis
WMelioidosis
WPasteurellosis
WPlague (disease)
W1924 Los Angeles pneumonic plague outbreak
WPneumonic plague
WPsittacosis
WQ fever
WSalmonellosis
WSepticemic plague
WSevere acute respiratory syndrome
WTularemia
WWildlife smuggling and zoonoses