Diseases, Conditions, Syndromes

What the flu does to your body, and why it makes you feel awful

Every year, from 5 to 20 percent of the people in the United States will become infected with influenza virus. An average of 200,000 of these people will require hospitalization and up to 50,000 will die. Older folks over ...

Cardiology

Researchers confirm link between flu and heart attack

Chances of a heart attack are increased six-fold during the first seven days after detection of laboratory-confirmed influenza infection, according to a new study by researchers at the Institute for Clinical Evaluative Sciences ...

Immunology

Annual influenza vaccination does not prevent natural immunity

Earlier studies have suggested that having repeated annual influenza vaccination can prevent natural immunity to the virus, and potentially increase the susceptibility to influenza illness in the event of a pandemic, or when ...

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