Some 4.5 billion people worldwide are currently without adequate access to essential healthcare services, according to the World Health Organization (WHO).
While they may not be a perfect match, the latest variants have enough in common with the KP.2 and JN.1 that the boosters should still offer effective cross-protection.
Coronavirus levels in wastewater remain "high" in certain states, despite low levels of the virus nationwide. Newsweek has revealed this variability in a map based on data from the U.S. Centers for Disease Control and Prevention (CDC).
