In a recent study published in the journal Cell, researchers investigated the infectivity, fusogenicity, and immune evasive potential of two novel Omicron subvariants – BA.2.86 and FLip. They used ...

Prior to the emergence of the omicron variant, frequent testing using RATs was known to be a better strategy than infrequent testing using PCR tests. RATs detect infection early, which allows for ...

You've tested negative for COVID using a rapid antigen test (RAT), but are a close contact of a positive family member and have symptoms. So you might be wondering if you're really COVID-negative or ...

The COVID-19 pandemic has seen the rise and fall of many variants, but nothing like BA.5. Previous subvariants of omicron have caused cascading surges as they outcompeted each other; now, BA. 5 is the ...

The health ministry announced shorter self-isolation periods for essential workers who come into close contact with ...

In the United States, more than 82 million people have tested positive for coronavirus as of Saturday, May 14, according to Johns Hopkins University. To date, more than 999,000 people in the U.S. have ...

In a recent study published in the medRxiv* preprint server, researchers evaluated the diagnostic performance of a coronavirus disease 2019 (COVID-19) antigen test during the recent surge caused by ...

Rapid at-home COVID-19 tests have become less reliable with the emergence of the Omicron variant, new research suggests. Only one of three widely used rapid antigen tests met World Health Organization ...

The BA.2.75 sublineage of the B.1.1.529 (omicron) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may escape neutralizing antibodies. The BA.2.75 sublineage (primarily the BA.2 ...