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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.

After COVID-19, experts say watch for these potential heart and brain problems

COVID-19 was full of surprises early on, causing mild problems in the short term for some people and serious complications for others. Long term, it...

Severe COVID-19 impairs the immune system for more than 6 months

In a study from Linköping University, scientists found the immune cells of patients who received hospital care for COVID-19 early in the pandemic were...

Overweight, not high blood sugar, linked to higher risk of COVID-19, long COVID

In a study from University College London, scientists found that high body mass index (BMI), rather than high blood sugar levels, are associated with...

New test can find who at risk of severe COVID-19

In a study from The University of Virginia, scientists found a new genomic test can predict a patient's risk of developing severe COVID-19. That information...

Don’t use these antibodies to treat COVID-19, WHO strongly advises

In a study from WHO, scientists showed the antibody drugs sotrovimab and casirivimab-imdevimab are not recommended for patients with COVID-19. These drugs work by binding...

1 in 3 infected, unvaccinated people no longer have detectable antibodies 1year later

In a study from ISGlobal, scientists found 1 in 3 infected, unvaccinated people no longer have antibodies 1year after infection. Both infection and vaccination against COVID-19 contribute...

Antibodies in the airways may protect against omicron infection

In a study from Karolinska Institutet and elsewhere, scientists found that high levels of mucosal antibodies in the airways reduce the risk of being...

Breakthrough COVID infections more likely in cancer and Alzheimer’s patients

In new studies from the Case Western Reserve University, scientists found breakthrough COVID-19 cases resulting in infections, hospitalizations, and deaths are significantly more likely...

COVID-19 linked to a much higher risk of Alzheimer’s in older people

In a study from the Case Western Reserve School of Medicine, scientists found older people who have infected with COVID-19 show a substantially higher...

Another new COVID variant is spreading – here’s what we know about omicron BA.4.6

BA.4.6, a subvariant of the omicron COVID variant which has been quickly gaining traction in the US, is now confirmed to be spreading in...