New areas of infection in livestock may develop through introducing animal feed containing bone meal. Cutaneous outbreaks sometimes occur in knackery workers and those handling pet meat. Known infectious land can remain contaminated for years. Isolation or animal inoculation in the laboratory. Reservoir Dried or otherwise processed skins and hides of infected animals may harbour spores for years.
Spores remain viable in contaminated soil for many years.
Mode of Transmission Usually two to seven days. Most cases occur within 48 hours of exposure. There is no evidence of direct spread from person to person. Articles and soil contaminated with spores may remain infective for years. Susceptibility and Resistance Recovery is usually followed by prolonged immunity.