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
Alertness about the Zika virus still needed for pregnant women Since May 2015, there has been a Zika virus outbreak in South and Central America, including the Caribbean. The Zika virus can cause birth defects, including microcephaly (small head size).