Latest COVID Subvariants Create New Waves, Evade Immunity

As COVID-19 cases and hospitalizations begin to increase again in the U.S., public health officials are monitoring several new Omicron subvariants that are contributing to the case numbers. In some parts of the U.S., a spinoff of the BA.2 subvariant called BA.2.12.1 is the main culprit. In other countries, Omicron […]