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.
Less air pollution from traffic and industry but increased contribution from agriculture International air policy has shown good results in Europe: in the past 35 years the air has become cleaner. Nevertheless air pollution is still an important cause of premature death.