Some viruses mutate more rapidly than others. Learn more about why that is and what that means for your health.

As disease-wary stock markets tumble, the outbreak of the novel coronavirus, COVID-19, has continued to see global death tolls rise — rapidly spreading from its Wuhan roots to gain a foothold in ...

For years, researchers have looked at links between Epstein-Barr virus (EBV) and multiple sclerosis (MS). Increasingly, evidence suggests that having EBV may increase the risk of developing MS. About ...

The _Aedes_ mosquito is a vector of several viral diseases, including eastern equine encephalitis, or EEE, and West Nile fever. Lee Haines, CC BY-ND Humans have an exceptional ability to deal with ...

Additionally, people with febrile illness may experience fatigue or weakness for an extended period — up to weeks or even months — following recovery. In very rare instances, the virus is spread ...

There are a few reasons why people tend to fall ill more often in the winter than during other times of the year, and yes, holiday travel is definitely one of them.

When Dr. Anthony Fauci became infected with West Nile virus, a mosquito-borne disease, it was so severe that he had to be hospitalized. Fauci, once the top US infectious disease expert, is now ...

Learn the key symptom differences between flu strains, which is more dangerous, and how the vaccine protects you from both Flu A and B, per experts.

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