| serology and anthrax in humans, livestock and etosha national park wildlife. | results are presented from a number of epidemiological studies using enzyme immunoassays (eia) based on the purified anthrax toxin antigens, protective antigen, lethal factor and oedema factor. studies on sera from a group of 62 human anthrax patients in turkey and from cattle in britain following two unrelated outbreaks of anthrax show that eia using protective antigen can be a useful diagnostic aid and will detect subclinical infections in appropriate circumstances. a serological survey on wil ... | 1992 | 1582472 |