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.
Need for circular use of materials in construction Construction and demolition waste are being recycled on a large scale to use as a foundation for e.g. roads, but recycled building materials are hardly ever used in the construction of buildings.