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.
Without measures emissions of HFC greenhouse gases will increase rapidly Without global agreement on the use of HFCs, their contribution to the greenhouse effect may increase sharply to 10 percent of that of CO2 by 2050. The current contribution is less than 1 percent.