The simian foamy virus has been identified as a zoonotic retrovirus that
infects people who have direct contact with fresh nonhuman primate bushmeat; this finding indicates that such zoonoses are more frequent, widespread, and contemporary than previously appreciated.
Type A is likely to undergo an antigenic shift if two or more subtypes
infect a single host, creating new subtypes based on surface antigens hemagglutinin (H) and neuraminidase (N).
According to Tom Malmsbury, a scientist with the Colorado Department of Wildlife, "Three separate transmissibility studies are currently underway to determine if CWD can
infect U.
In addition, should a woman become pregnant subsequent to contracting the disease, she could
infect her baby with either or both of the viruses.
West Nile's ability to
infect numerous species of mosquitoes and birds has fueled its rapid movement, said Dr.
HIV-I strains that
infect macrophages (macrophage-tropic isolates) are responsible for person-to-person transmission and are the predominant virus type during the clinical latency phase.
So it becomes easier for an animal virus to
infect humans.
That is why the CDC is involved in the bartonella work because it could
infect animals as well as people.
The risk from avian influenza is generally low to most people because the viruses occur mainly among birds and do not usually
infect humans.
HIV, which can
infect blood and other body fluids, attacks the body's infection-busting immune cells.
Bubonic, pneumonic, or pharyngeal plague may develop in domestic cats and
infect humans directly (2).
The therapy works by killing
infected cells before they can send out legions of hepatitis C viral particles to
infect other cells, says Richardson.
