omicron ba.2-subvariant

2 new COVID subvariants spreading

How to properly test for COVID-19 at home

COVID-19 reinfection 'common' with BA.4, BA.5 subvariants, health expert warns

Subvariants impact organs differently than original COVID-19, health expert says

20 Marin County schools report COVID-19 outbreaks

New COVID-19 variants may reinfect victims of omicron, health expert warns

COVID cases rising '30 to 40% in children under 18,' health expert warns

People should still be prioritizing avoiding COVID-19 infections altogether, says expert

'Let's knock on wood' the vaccine will protect against new COVID-19 variants, says expert

Symptoms that show you've already had BA.2