Add Yahoo as a preferred source to see more of our stories on Google. High counts of West Nile virus cases are being reported in the U.S. this year, according to federal health data — and health ...

Two additional people in Massachusetts have tested positive for the West Nile virus (WNV), state officials announced. The new WNV cases — which were found in two men in their 60s — bring the total ...

The last available tracing data from the CDC found that 91% of the 600 U.S. flu cases that were tested between Dec. 22 and 28 ...

West Nile virus infections are intense so far this year, with case counts running 40% higher than normal, health officials say. More than 770 cases, including about 490 severe cases, were reported as ...

Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens ...

A new map has revealed where Covid cases are surging in the US, as fears mount over a fast-spreading new strain. The variant XFG, also known as Stratus, has become the dominant strain nationwide and ...

Despite fewer cases, the presence of West Nile Virus still raises concerns as virus-free years become less common. Weather events can disrupt the typical three-year cycle of West Nile Virus cases. On ...

DENVER — West Nile virus cases in Colorado are climbing higher than usual. Data from the Centers for Disease Control and Prevention (CDC) show around the country, cases are 40% higher than normal this ...

High counts of West Nile virus cases are being reported in the U.S. this year, according to federal health data — and health officials are warning the season for this mosquito-borne disease isn't over ...