In 1994 a batch of apparently healthy goats was selected for intended export to the USA from a heartwater-free and vector tick-free region of South Africa. The animals were tested serologically for heartwater, using either ...
Ehrlichia ruminantium is an obligate intracellular bacterial pathogen which causes heartwater,
a serious tick-borne disease of ruminants throughout sub-Saharan Africa. The
development of promising recombinant vaccines ...
