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Flu activity wanes in US after record surge
This influenza season has been particularly severe in the United States, with CDC data showing a rate of hospitalization related to flu that is higher than any other season in the past 14 years.
National Geographic news28d
This is the worst flu season in 15 years. Here's why—and how to protect yourself.
The number of influenza cases is surging across the United States, putting significant strain ... Colored scanning electron micrograph (SEM) of H1N1 influenza (flu) virus particle isolated from ...
Have the flu or know someone with it? Flu cases surge to highest levels in 15 years, CDC says
Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.
More cases of swine flu reported; WHO warns of 'health emergency'
A potentially deadly new strain of the swine flu virus cropped up in more places in the United States and Mexico on Saturday, ...
If bird flu jumps to humans, immunity from seasonal flu may offer some protection
Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...