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COVID

Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus.
Most people who fall sick with COVID-19 will experience mild to moderate symptoms and recover without special treatment. However, some will become seriously ill and require medical attention.

Scientists find how to predict dominant COVID-19 variants

Scientists from MIT, Harvard, and elsewhere have developed a computer model that can analyze millions of SARS-CoV-2 genomes and predict which viral variants will...

Nearly 1 in 3 older people gets new health problems after COVID-19 infection

Scientists from Optum Labs and elsewhere found that almost a third (32 of every 100) of older adults infected with COVID-19 in 2020 developed...

Air pollution linked to more severe COVID-19

Scientists from the University of California San Diego found that some common air pollutants, such as ground-level ozone, are associated with more severe outcomes...

Vaccination could reduce long COVID symptoms, shows study

Graham was a healthy 34-year-old until he developed COVID in July 2020. Along with his wife and children, he had a fever, a cough, breathlessness,...

Long COVID may harm vaccinated people, too

Scientists from Washington University in St. Louis found that even vaccinated people with mild breakthrough COVID-19 infections can experience debilitating, lingering symptoms that affect...

Long COVID could affect people 15 months after initial infection

Scientists from Northwestern Medicine found many non-hospitalized COVID-19 "long-haulers" continued to experience symptoms such as brain fog, numbness and tingling, headache, dizziness, blurred vision,...

For these people, mild COVID-19 can still lead to dangerous health issues

Scientists recently found adults over age 50 who experience mild or moderate COVID-19 are at greater risk of worsening mobility and physical function. The findings...

How to keep yourself safe from COVID-19

As COVID-19 cases continue to fluctuate around the country, it has become clear that the coronavirus that causes the disease is unlikely to disappear. But...

COVID-19 mixed with flu can increase risks of death, severe COVID-19

Scientists from the University of Edinburgh found that adults in hospitals who have COVID-19 and the flu at the same time are at much...

Scientists find lung problems in people with long COVID

Scientists from the University of Oxford found that a special type of MRI showed lung abnormalities in patients who had previously had COVID-19, even...