The symptoms are all too familiar for chronic allergy sufferers ... human metapneumovirus and respiratory syncytial virus, or RSV — is that it is “nearly impossible to distinguish among ...

Respiratory ... the 2022–2023 flu season, as the Centers for Disease Control and Prevention (CDC) reported an unusual increase in both infections and hospitalizations from the virus.

COVID-19 was associated with more severe disease outcomes than influenza or RSV during the 2022 to 2023 season.