Hilleman was born a year after the notorious 1918 influenza pandemic swept the world, killing 20 million to 100 million ...

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

during the swine flu pandemic, data shows. During the week ending Feb. 1, 8% of emergency department visits were due to flu compared with 3.2% the same time last year, according to the CDC data.