Coronavirus

Latest about Coronavirus

vitamin d, vitamin, pill

Does vitamin D protect against COVID-19?

By Ashley P. Taylor last updated

In the absence of a COVID-19 cure or vaccine, scientists are investigating whether vitamin D can reduce the risk of COVID-19 infection.

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vitamin C tablets

Why vitamin C won't 'boost' your immune system against the coronavirus

By Nicoletta Lanese last updated

It poses little risk but is very unlikely to help.

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3D image of the coronavirus

Loss of smell could be a symptom of COVID-19

By Mindy Weisberger last updated

Doctors are advising adding loss of smell to the list of symptoms for COVID-19.

Coronavirus
middle aged man sitting and looking at laptop with slight confusion and frustration

Severe COVID-19 may cause similar cognitive deficits as 20 years of aging

By Nicoletta Lanese published

People hospitalized for COVID-19 showed cognitive impairments.

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An illustration of coronavirus particles.

Longest COVID-19 infection reported: Patient had virus for 505 days.

By Rachael Rettner published

The case is the longest-known continuous infection with COVID-19 reported to date.

Coronavirus
A man in a surgical mask and gloves preps a COVID-19 vaccine for a masked patient, sitting in the background

Should you get a second booster shot for COVID-19?

By Nicoletta Lanese published

Is getting a second booster worth it?

Coronavirus
gloved hand prepping a covid-19 vaccine for injection

Quick guide: Most widely used COVID-19 vaccines and how they work

By Nicoletta Lanese published

Learn about the most widely used COVID-19 vaccines.

Coronavirus
A woman squeezing liquid solution from an at-home COVID-19 test onto a test strip.

At-home COVID-19 tests linked to accidental injuries, FDA warns

By Rachael Rettner published

The agency also reminded people to keep the tests out of reach of children and pets.

Coronavirus
illustration of several coronavirus particles

'Stealth' omicron cases rising in the US: Here's what we know.

By Nicoletta Lanese published

BA.2 is steadily becoming more common in the U.S.

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A sick person blowing their nose.

What are the symptoms of COVID-19?

By Stephanie Pappas published

Here are the most common COVID-19 symptoms for adults, kids, vaccinated individuals and omicron-variant infections.

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