And AY.4.2 is a Delta subvariant that has now spread to at least 42 different countries, including the U.S., according to the latest World Health Organization (WHO) Weekly epidemiological update on Covid-19. Some have called this subvariant “Delta plus,” although it isn’t necessarily the only “Delta plus” out there, as I covered previously for Forbes. Nevertheless, the AY.4.2 subvariant has been increasing at a modest rate in the United Kingdom (U.K.), which has provided 93% of the AY.4.2 reports to date. According to the briefing, there is further evidence that the AY.4.2 subvariant may be a bit more transmissible than the original Delta variant. Regardless, the spread of this AY.4.2 subvariant, this “Delta plus,” is a reminder that the Covid-19 coronavirus can keep evolving.

Source: Forbes October 31, 2021 19:39 UTC