date:May 20, 2013
to slow the spread of the virus.
All ages of the swine can be affected. But the most severe clinical signs are seen in the very young and nursing baby pigs, the baby pigs that are still nursing, said Burger.
The current outbreak could be short lived. Pig herds typically develop a strong immunity to the virus over two to three weeks, at which point the virus disappears spontaneously.
Depending on how widespread the incidence, the virus could tighten U.S. pork supplies in about five to six mont