FDA warns omicron variant can evade certain COVID-19 tests

We’re two years into the COVID-19 pandemic and the original virus strain is old news. Delta remains the most common variant fueling infections around the world, but another variety of SARS-CoV-2 called omicron is raising alarm bells. Amid the potential for another wave of cases fueled by this new variant, the FDA has published an extensive analysis of COVID-19 tests …