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 ...

A new strain of norovirus now makes up a majority of outbreaks nationwide, according to data from the Centers for Disease Control and Prevention. The new strain's emergence, found spreading ...

Norovirus is the leading cause of vomiting and diarrhea and is likely what you have when you’re sick with the “stomach flu” or “a stomach bug,” according to the Centers for Disease ...

STATEN ISLAND, N.Y. — Norovirus, also known as the stomach flu, rang in 2025 in a big way across the United States, and continues to surge. The highly contagious virus causes vomiting and ...

This winter's wave of norovirus infections has reached levels that are now more than double last season's peak, in figures published Monday by the Centers for Disease Control and Prevention ...

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 ...

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 ...