At the U.N. agency spearheading the fight against swine flu, key decisions are based on more than just health issues _ politics plays a big role, too.

Bern’s Bear Pit, for centuries a tourist attraction and a symbol of the city, has lost its last resident to euthanasia and will be closed for good.

World Health Organization chief Dr. Margaret Chan has earned a reputation for ruthlessness when it comes to battling viruses.

The World Health Organization says it will would stop using the term “swine flu” to avoid confusion over the danger posed by pigs.

The World Health Organization has increased its tally of confirmed swine flu cases around the world to 236 from 148.

The World Health Organization has raised its pandemic alert for swine flu to the second highest level, meaning that it believes a global outbreak of the disease is imminent.

The World Health Organization says the swine flu outbreak is moving closer to becoming a pandemic.

The World Health Organization is calling a third emergency meeting of its flu experts in response to a spike in swine flu cases.

The World Health Organization was holding an emergency “scientific review” Wednesday of the swine flu outbreak to determine exactly what is known about how the disease spreads, how it affects human health and how it can be treated.

Cuba suspended flights to and from Mexico on Tuesday, becoming the first country to impose a travel ban, as the fast-moving swine flu strain extended its reach overseas and in the United States. World health officials in Geneva said they believed the viru