| observations on the endemicity of plague in karatu and ngorongoro, northern tanzania. | commensal and field rodents and wild small carnivores were live-trapped in five villages of karatu district and one settlement in the ngorongoro conservation area in ngorongoro district in tanzania. blood samples were taken and serologically tested for plague, using the blocking elisa technique. some domestic dogs and cats in the karatu villages were aseptically bled and similarly tested for plague. fleas were collected from the examined animals and from randomly selected residential houses. a t ... | 2006 | 17058792 |