Consider the norovirus, a real terror of a pathogen, just a couple dozen nanometers in length, with its invasive acids tucked inside a protein coat. Exposure to fewer than 100 particles of norovirus ...

Norovirus is not a form of influenza but rather a calicivirus. New strains appear every two to four years, and are "difficult to wipe out because they can withstand hot and cold temperatures as ...

Nationwide, outbreaks of norovirus, which causes vomiting and diarrhea, have surged to a level higher than they’ve been for more than a decade, according to the Centers for Disease Control and ...

Outbreaks of highly contagious norovirus are up in the U.S. Also known as the "winter vomiting bug" or "stomach flu," the seasonal illness is at its highest recorded level this time of year for ...

If you've recently been hit with what seems like a stomach bug, there's a possibility it's norovirus, a sickness that has been surging across the country over the past month or so. "During Aug. 1 ...

Norovirus, often erroneously called the "stomach flu," sickens an estimated 21 million Americans and 685 million people worldwide every year, and though there is currently no preventive vaccine, a ...