February 2, 2026- After nearly three weeks of a decline in cases, influenza levels rose this week, and have remained elevated across the U.S., according to the Centers for Disease Control and Prevention (CDC) in its weekly respiratory virus update and FluView report. New data reported Friday by the US Centers for Disease Control and Prevention shows that B strains are increasing by less than a full percentage point over where they were the week prior, while flu A activity is holding steady, according to CNN.
Respiratory syncytial virus (RSV) and COVID-19 activity is high in certain parts of the country. Flu cases are trending upward in 13 states, as are RSV cases in 21 states, according to the CDC.