Researchers at UT Southwestern Medical Center in California sought to understand why children and young adults were more susceptible to the rising H1N1 strain.
The big fight back DNA's photojournalists capture a city coming out of its cocoon of fear and getting back on the road to recovery, one step at a time.
Flu fashion If there's one thing you've got to respect about fashion, it's the industry's uncanny ability to capitalise on any situation.
The big fight back
Flu fashion