Bird Flu > Bird Flu News > Flu hid out in pigs for a decade, expert says (Times of Malta)

Flu hid out in pigs for a decade, expert says (Times of Malta)
A man walks past a graffiti about H1N1 influenza on a street side wall in Mumbai. The new pandemic H1N1 influenza was circulating undetected in pigs for at least a decade before it jumped to people, and much better surveillance is needed among both pigs and people, according to an expert.