<unk> , a severe type of lung infection, is one of three main forms of<unk> , all of which are caused by the bacterium Yersinia pestis. It is more virulent and rare than bubonic<unk> . The difference between the versions of<unk>  is simply the location of the infection in the body; the bubonic<unk>  is an infection of the lymphatic system, the<unk>  is an infection of the respiratory system, and the septicemic<unk>  is an infection in the blood stream.
Pneumonic plague
Bubonic plague
Malaria
Blackwater fever
Yellow fever
Scrub typhus
Leptospirosis
Typhoid fever