The novel coronavirus that causes COVID-19 has spread globally, killing hundreds of thousands of people and infecting millions more. The pandemic has upended life around the world, crippling the ...
HOUSTON, Texas -- With COVID-19 cases in the U.S. surpassing 250,000 by early April, health officials are still recommending basic hygiene tips to limit the spread of the virus. Experts say one of the ...
When the virus that causes COVID-19 emerged in 2019, no one had protective immunity. Nearly five years later, most of the United States population has some immunity, either because of vaccination, ...
As respiratory viruses become more widespread during fall and winter, it can be difficult to tell the difference between common cold, flu, and COVID-19. Symptoms often overlap, but understanding the ...
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