References in periodicals archive ?
History is littered with deadly examples of animal diseases crossing the species barrier, from plague, which originated in the Himalayan foothills and began to spread when it got into marmots; measles, which is closely linked to the dog distemper virus; HIV, which originated in great apes; to the current concerns about highly pathogenic avian flu H5N1, which has already killed a number of people working in close contact with infected birds.