LONDON -- Scientists are embarking on a series of experiments with the bird flu virus ravaging Asian poultry to see how dangerous it would be if it adapted to humans, the chief influenza expert at the ...

Scientists in Switzerland have cracked open a century-old viral mystery by decoding the genome of the 1918 influenza virus from a preserved Zurich patient. This ancient RNA revealed that the virus had ...

WASHINGTON (Reuters) - Researchers who mixed together bird flu and ordinary flu viruses created three extremely virulent new strains, a reminder that influenza viruses can swap genes to create ...

Children aged 2 to 5 years with fall birthdays had higher flu vaccination rates and fewer diagnoses than those with summer birthdays.