A version of the coronavirus called EG.5 — an offshoot of which is nicknamed "Eris" — now accounts for the largest proportion of new COVID-19 cases in the U.S.
Although EG.5, an omicron subvariant that was first detected in February, is dominating by a slim margin, current data suggest that it is very similar to other versions of omicron spreading throughout the country and no more deadly than its counterparts.
