Flu viruses in pigs are especially tough to control. The main subtypes found in swine are H1N1, H1N2, and H3N2. Among these, H1 viruses are the most common and the most genetically diverse.

College students beware: your campus is a breeding ground for swine flu germs. Sept. 1, 2009 — -- Forget about good grades and securing a date for homecoming, college students heading back to ...

Swine flu vaccines are due to start arriving in the United States next week with high-risk patients first in line, according to Dr. Richard Besser, ABC News' senior health and medical editor.

The recent outbreak of swine flu (H1N1) was declared an official public health emergency by the U.S. government last wee. Caused by an influenza virus commonly found in pigs, swine ...

An epidemiologist makes the case that a rush of research to stop a swine flu outbreak led to an accidental lab release of an extinct virus. Preparing for one pandemic triggered a different one.

The 2009 swine flu pandemic, for example, resulted from a zoonotic transmission from hogs to humans. About 25% of the human population was infected with the new variant and more than half a ...