Hypersensitivity reactions to fillers may occur after COVID-19 vaccination People may experience hypersensitivity reactions to fillers following a COVID-19 vaccination.
High rates of RSV in children over the summer, and a late flu epidemic in the 2021-2022 season Hospitals reported an unusually large number of children presenting with RSV over the summer of 2021. The number of positive coronavirus tests rapidly increased after the summer of 2021.
Control measures against the spread of Legionella from wastewater treatment plants Wastewater treatment plants (WWTPs) may spread Legionella via the air and cause pneumonia if people inhale them.