Diseases, Conditions, Syndromes

Half of U.S. adults not concerned about the flu

More than half of U.S. adults say they are not very or not at all concerned about the upcoming flu season, according to the results of a survey released Nov. 29 by the American Heart Association.

Diseases, Conditions, Syndromes

COVID-19 compared with other deadly viruses

The global death toll from COVID-19, which is set to pass five million, is already far worse than most other viral epidemics of the 20th and 21st centuries.

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