Grey heron infected with West Nile virus A grey heron in the Noord-Holland-Noord region has tested positive for the West Nile virus. The virus is rare in the Netherlands. Bas van de Meulengraaf
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.