To create a swine flu vaccine, the CDC together with the FDA and the NIH are working now to first make a "reference stock" of the swine flu virus. This is being done in fertilized hen cell eggs.

Although flu is often mild in pigs, the animals are renowned for giving rise to novel flu variants. In 2009, one of these new variants, which originated in pigs in Mexico, set off a pandemic that ...

What is swine flu, or the new H1N1 virus? This new H1N1 virus comprises genes from a seasonal human flu virus, a North American bird virus and a virus that has been in pigs for quite a while.

Like seasonal flu, pandemic swine flu can cause neurologic symptoms in children. These events are rare, but, as cases associated with seasonal flu have shown, they can be very severe and often fatal.

H1N1 flu is also known as swine flu.It's called swine flu because in the past, the people who caught it had direct contact with pigs. That changed several years ago, when a new virus emerged that ...

Adolescents are at higher risk of dying from the pandemic H1N1 influenza virus than younger children, a situation that is the opposite of that encountered with seasonal flu, health authorities ...

Warren D. Ward, 48, was in high school when the swine flu threat of 1976 swept the U.S. The Whittier man remembers the episode vividly because a relative died in the 1918 flu pandemic, and the ...

The swine flu virus, H1N1, may have killed 15 times the number of people counted by the World Health Organization, according to a new study from the CDC. And unlike the seasonal flu, the H1N1 ...

How one virus spread from pigs and birds to humans around the globe. And why microbes like the H1N1 flu have become a growing threat.

Swine flu is estimated to have killed 800 people in the US already, or more than 2 in every million so far. And during the first wave of swine flu this summer, 1 out of every 20,000 children aged ...

Our most recent flu pandemic—2009’s H1N1 “swine flu”—was, in absolute terms, a public-health crisis. By scientists’ best estimates, roughly 200,000 to 300,000 people around the world ...

About a quarter of the swine flu vaccine produced for the U.S. public has expired - meaning that a whopping 40 million doses worth about $260 million is being written off as trash. "It's a lot, by ...