The highly contagious illness has reached its highest levels for this time of year in more than a decade, according to the ...

The reason it’s so contagious is because when you’re sick, “you can shed billions of norovirus particles that you can’t see without a microscope,” the agency explains. Getty “It only ...

Medics first discovered noroviruses in 1972 using an electron microscope ... to be put under quarantine in Wiesbaden after 67 tourists fell ill, or roughly every second guest. A norovirus outbreak ...

This electron microscope image provided by the Centers for Disease Control and Prevention shows a cluster of norovirus virions. Washing your hands for 20 seconds prevents contacting the Norovirus.

because “you can shed billions of norovirus particles that you can’t see without a microscope,” the CDC says. “It only takes a few norovirus particles to make you and other people sick.” ...

FILE - This electron microscope image provided by the Centers for Disease Control and Prevention shows a cluster of norovirus virions. (Charles D. Humphrey/CDC via AP, File)(Charles D. Humphrey ...

Cases of the highly contagious norovirus are on the rise in the U.S. as the Centers for Disease Control and Prevention reported a significant jump in outbreaks in early December, according to the ...