The Nimbus variant, or NB.1.8.1, is a strain of SARS-CoV-2, which causes COVID-19. Alongside the usual symptoms of COVID-19, it can cause a razor blade sensation in the throat and gastrointestinal ...
The XFG variant of the severe acute respiratory syndrome coronavirus 2 as continued to spread as the U.S. heads into peak Summer travel season. (Photo by I RYU/VCG via Getty Images) There’s another ...
COVID-19 viral activity was high in the United States during the first week of September, according to fresh data from the Centers for Disease Control and Prevention. Some regions of the United States ...