Medical research

Malaria's severity reset by mosquito

(Medical Xpress)—For the first time, researchers have proven that the way in which malaria is transmitted to the host affects how severe the resulting infection will be.

Diseases, Conditions, Syndromes

Manhattan to be sprayed against West Nile virus

One of New York's most expensive neighborhoods will be sprayed this week with pesticide to combat the West Nile virus, officials said Tuesday.

Diseases, Conditions, Syndromes

West Nile virus on the rise in US: CDC

(HealthDay) -- With 241 cases of West Nile virus and four related deaths reported so far this year, the United States is experiencing the biggest spike in the mosquito-borne illness since 2004, health officials report.