Diseases, Conditions, Syndromes

Can you get the COVID-19 coronavirus twice?

Governments are starting to lift restrictions and some are considering "immunity passports," where all restrictions are lifted for those previously infected.

Diseases, Conditions, Syndromes

If you already had COVID, do you need the COVID vaccine?

More than 15 million Americans have been infected by the COVID-19 virus, and many may be questioning whether they need to receive one of the two coronavirus vaccines now on the verge of approval from U.S. regulators.

Diseases, Conditions, Syndromes

New insights into the immune system's role in severe COVID-19

By conducting advanced analyses of immune system activation in patients with severe COVID-19, researchers at Karolinska Institutet have managed to identify several cell types that play a key part in the immune response to ...

Diseases, Conditions, Syndromes

What the coronavirus does to your body that makes it so deadly

COVID-19 is caused by a coronavirus called SARS-CoV-2. Coronaviruses belong to a group of viruses that infect animals, from peacocks to whales. They're named for the bulb-tipped spikes that project from the virus's surface ...

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