Spotted fever group rickettsiosis (SFGR) is a potentially fatal disease that has displayed increasing incidence in the United States in recent years.
1
They contain chick embryos inoculated with a two-hour alveo-lytic mutated Terrestrial rickettsialpox-a new airborne strain developed in our own BW lab.
1
The presence of these vector-borne Rickettsiainfections should be considered when diagnosing this disease in humans in Tunisia.