Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

A newly identified flu strain first detected in Australia is now fueling an unprecedented global surge in influenza cases, Australian researchers warn, after triggering the country’s most severe flu ...

Flu season is among us, and a new strain has emerged as a major threat. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising global cases, including in the U.S ...

The world's swine flu death toll reached 100 as two more New Yorkers died while infected with a virus that has sickened more than 12,000 people. The deaths of 83 people in Mexico, 14 in the United ...

The Centers for Disease Control and Prevention are monitoring the bird flu situation in the United States. Here's what to know and how to stay safe.

Flu activity in Wisconsin was moderate and increasing the week ending Dec. 20, the latest data from the state health ...

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide in wild birds with a few outbreaks in poultry, dairy cows and other mammals across the United States, ...

DALLAS — A new version of the common flu is spreading globally, and health officials are monitoring this evolving strain of influenza A(H3N3) Subclade K, which has been increasingly detected worldwide ...

Chan said she was moving the world to phase 6 — the agency’s highest alert level — which means a pandemic, or global epidemic, is under way. “The world is moving into the early days of its first ...

PHNOM PENH, Cambodia (AP) — An 11-year-old boy died from bird flu in Cambodia's fourth fatal case this year, the Health Ministry announced Wednesday. Several chickens and ducks near the boy’s house ...