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
EFSA agrees with RIVM that potential effect of BPA on the immune system requires further attention RIVM expressed concerns on the effects of bisphenol a (BPA) on the immune system in a report issued in March 2016.