Respiratory adenovirus has moved onto the CDC's short list of viruses circulating above expected levels nationally, joining parainfluenza virus, according to surveillance current through August 14. Human metapneumovirus, rhinovirus, and enterovirus, which were on that summary list in June, are no longer flagged there.
Timing is what matters for families. School districts across much of the South and Southwest reopen in August, and adenovirus spreads easily in classrooms, day care rooms, locker rooms, and swimming pools. The CDC notes on its respiratory illnesses summary page that both trends are expected for this time of year, which is a useful piece of calibration. Expected does not mean absent.
