BA.2.75 aka Centaurus is spreading quickly, mostly in India right now, but has been found in at least 10 other countries, including the US. Right now, the most dominant strain is BA.5. But lets rewind a little bit to understand…

BA.4 and BA.5 causes more severe disease? Does it depend on natural immunity versus vaccine immunity, versus hybrid immunity? Meet BA.5, Omicron’s Extremely Contagious Subvariant The omicron variant of COVID-19 keeps changing, creating newer, more contagious variants. BA.5 seems to…