It is also known as «swine flu» because it is thought to have originated in
the swine population.
The swelling circles represent the amount of human - origin influenza in
swine population, «with the viral populations increasing first in Oklahoma and then in Minnesota and Iowa,» as pigs move from the south - central to the Midwest.
What it is important to understand is the H1 and H3 are the only subtypes that have ever circulated widely in
the swine populations.
To capture the early spatial patterns of a newly emergent virus in
swine populations prior to extensive geographical mixing, this study focused on an H1 influenza virus that was introduced twice from humans into swine around 2003.
Human, avian, and classical swine lineage viruses are co-circulating in North American
swine populations, generating novel reassortants and leading to hundreds of zoonotic infections (e.g., H3N2v).
Spencer Wayne, PhD Advisor: Dr. Peter Davies Thesis: Assessment of the Demographics and Network Structure of
Swine Populations in Relation to Regional Disease Transmission and Control Subsequent Position: Practicing swine veterinarian, Pipestone Veterinary Clinic
Not exact matches
One of the lessons was that there may be a fair amount of cross-protective immunity in the human
population to a number of the viruses currently circulating in
swine, some of which were introduced into pigs from people in the past.
«We do not know if the virus entered the human
population directly from
swine or via an intermediate host,» said Cox.
The virus causing the
swine flu pandemic has spread to turkeys in Chile, slowed its spread in people in the Southern Hemisphere and in the United Kingdom, and is thriving in human
populations in Alaska, Maine, and Japan.
Of the 581 HA sequences, six
swine strains already contain the standard HA mutations necessary for human adaptation, and are thus capable of entering the human
population either directly or via genetic reassortment, Sasisekharan says.
Researchers who tracked flu symptoms in the friends of a group of college students during the 2009 H1N1 «
swine flu» pandemic predicted the flu outbreak in the general college
population with at least 2 weeks» advance notice.
Globally, the
swine influenza virus
population is spatially separated into the North American and Eurasian lineages, although both lineages co-circulate in Asia, which imports
swine from North America and Europe.
The dominant share of this segment can be attributed to the increasing porcine
population, growing awareness about animal vaccination, and outbreaks of porcine diseases such as PRRS (Porcine Reproductive & Respiratory Syndrome),
swine influenza, and Auzeszkys Disease (AD).
Swine flu, bird flu, etc. purportedly came from China but had yet to strike the human
population.
Vaccine virus may be shed and transmitted to other
populations of
swine in direct or indirect contact with vaccinated
swine.
Graduate training in translational research may be pursued in a number of fields related to clinical and basic sciences, including anesthesiology and pain management, behavior, cardiology, clinical epidemiology and
population medicine, dentistry, diagnostic imaging (radiology), large animal internal medicine, large animal surgery, oncology, ophthalmology, production medicine (ruminant and
swine), radiation oncology, small animal internal medicine, small animal surgery, and theriogenology.
Although the eagles were initially tracking the
swine, they also began to prey on the gray fox
population, according to The Washington Post.