Many COVID-19 survivors have a higher risk of death, serious illness
As the COVID-19 pandemic has progressed, it has become clear that many survivors — even those who had mild cases — continue to manage...
Delaying second dose of COVID-19 vaccines may be a good strategy
Two of the COVID-19 vaccines currently approved in the United States require two doses, administered three to four weeks apart.
But there are little data...
Why some people have severe COVID-19, while others have no symptoms
In a new study from Newcastle University and elsewhere, researchers found differences in the immune response to COVID-19 between people with no symptoms and...
Why COVID-19 vaccines linked to blood clotting
In a new study from the University of Liverpool, researchers looked at rare cases of blood clots in the brain and low platelets seen...
Keeping your teeth clean could help lower COVID-19 severity
In a new study from the University of Birmingham and elsewhere, researchers found that COVID-19 could pass into people's lungs from saliva with the...
These common supplements may reduce your risk of COVID-19
In a new study from King's College London, researchers found that taking multivitamins, omega-3, probiotics or vitamin D supplements may lessen the risk of...
Brazilian COVID-19 variant much more transmissible, study finds
In a new study from Imperial College London and elsewhere, researchers found evidence that the P.1 coronavirus variant that was first seen in parts...
People with COVID-19 more likely to die after this heart problem
In a recent study at the University of Gothenburg, researchers found that COVID-19 patients who suffer a cardiac arrest either in or out of...
Dogs can sniff out COVID-19 with impressive accuracy
In a new study from the University of Pennsylvania, researchers found that specially trained detection dogs can sniff out COVID-19-positive samples with 96% accuracy.
They...
UK B.1.1.7. COVID variant more transmissible, does not increase severity
In two new studies from University College London and elsewhere, researchers found no evidence that people with the B.1.1.7. variant experience worse symptoms or...