date:May 29, 2013
confirmed. Veterinarians and epidemiologists say pigs are infected through oral means, and that the virus is not airborne and does it not occur spontaneously in nature.
In recent years, with the emergence of dangerous pathogens such as H1N1, also known as swine flu, and bovine spongiform encephalopathy (BSE) or mad cow disease, the United States and other countries have sought to secure defenses both on the farm and at the national borders to protect against barnyard epidemics.
We're just try