Time With summer travel at an all-time high, new COVID-19 variants are brewing. Officials at the World Health Organization (WHO) recently added another one to its list of variants under monitoring: XFG.
XFG is spreading most widely in Southeast Asia, although cases have been reported in 38 countries. In the U.K., it accounts for 30% of COVID-19 infections, and in the U.S., 14% of confirmed cases are XFG, according to the U.S. Centers for Disease Control and Prevention (CDC). (These data are likely incomplete: the CDC notes that since less data are being reported, the variant trackers are not precise.) This designation is the least urgent of WHO’s variant categories, which escalate from “variant under monitoring” to “variant of interest” to “variant of concern.” But while variants under monitoring pose a low immediate risk to people, they show signs of being able to grow and potentially spread more easily than other circulating variants that don’t get an official WHO designation. WHO is watching XFG closely, but it is so new that experts aren’t sure yet what the health consequences of such growth might be.