Medical experts in Romania are monitoring blood transfusions after six people died and another 16 were infected with West Nile disease.

The mosquito-borne virus eventually attacks the brain and can result in a serious infection called meningoencephalitis.

The measures are being taken because most of those infected do not have symptoms of the disease and it can be transmitted by blood transfusion.

The Romanian National Public Health Institute recommends that people avoid exposure to mosquitoes…