As summer winds down, COVID cases are climbing across much of the country. In its latest report, the Centers for Disease Control says infections are up in at least 45 states, with the highly ...

Two new COVID-19 subvariants, collectively nicknamed FLiRT, are increasingly edging out the winter’s dominant strain ahead of a possible summer uptick in coronavirus infections. The new FLiRT ...

In a recent study published in Lancet Microbe, researchers compare the potential of real-time reverse transcriptase-polymerase chain reaction (RT-PCR) genotyping assays with whole-genome sequencing ...

Covid-19 levels are about the lowest they’ve ever been in the United States, but another new crop of virus variants once again threatens to disrupt the downward trend as the country heads into summer.