By the end of the 1940s two major curses of Africa had virtually been eliminated East Coast fever, a tick-borne disease, and nagana, spread by the tsetse fly.
12.
The disease " nagana " or African animal trypanosomiasis ( AAT ) causes gradual health decline in infected livestock, reduces milk and meat production, increases abortion rates, and animals eventually succumb to the disease ( annual cattle deaths caused by trypanosomiasis are estimated at 3 million ).
13.
The site and remains believed to be those of the camp where Sir David Bruce and his wife Mary worked between 1894 and 1897, and where Bruce discovered the causative agent of nagana, African trypanosomiasis ( " sleeping sickness " ) and its transmission by the tsetse fly were discovered here.
