West Nile virus (WNV) is particularly dangerous in older people, who account for a large number of severe cases and deaths caused by the virus. WNV infection turns serious when the virus crosses the blood-brain-barrier and wreaks havoc among nerve cells in the brain. A study published on July 23rd 2015 in PLOS Pathogens suggests… Continue reading Why West Nile Virus Is More Dangerous in the Elderly