Vaginal hysterectomy is a procedure in which the uterus is surgically removed through the vagina. One or both ovaries and fallopian tubes may be removed during the procedure as well; removal of both ovaries and fallopian tubes is called bilateral salpingo-oophorectomy (BSO) (figure 1).
click to view larger. Anthrax is the preferred biological warfare agent. It is highly lethal. â¢ 100 million lethal doses per gram of anthrax material (100,000 times deadlier than the deadliest chemical warfare agent). â¢ Silent, invisible killer. â¢ Inhalational anthrax is virtually always fatal. There are low barriers to production.
Anthrax is deadly in most forms and can affect both humans and animals. The spores are highly contagious and are considered a major biological warfare risk. Anthrax weapons were once held by the US and Soviet Union and a tiny Scottish island was left uninhabitable for decades by tests there during the Second World War. A CDC spokesman said 86 people were potentially exposed in the US blunder but no illness has so far been reported.