The H5N1 avian influenza virus that killed 6 of 18 persons infected in Hong Kong in 1997 was transmitted directly from poultry to humans. Viral isolates from this outbreak may provide molecular clues
In late summer through early winter of 1998, there were several outbreaks of respiratory disease in the swine herds of North Carolina, Texas, Minnesota, and Iowa. Four viral isolates from outbreaks in
Avian influenza viruses (AIVs) periodically cross species barriers and infect humans. The likelihood that an AIV will evolve enhanced mammalian transmissibility depends on acquiring and selecting muta
The case of Batyr, an Asian elephant (Elephas maximus) raised in captivity among humans, presents a unique example of the spontaneous development of interspecies communicative and cognitive abilities.
