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
First West Nile virus patient in the Netherlands A male patient has been diagnosed with the West Nile virus last week. The man has not been abroad recently. He may have contracted the virus in the region of Utrecht due to a mosquito bite.