Norovirus is surging across the U.S., with case numbers higher now than they've been at the same time in more than a decade, according to the U.S. Centers for Disease Control and Prevention (CDC). There is no antiviral treatment for the miserable but thankfully short-lived illness,

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 promising contender is in the works.

Fact checked by Nick Blackmer There is currently no vaccine for norovirus because of its many strains and the elusive nature of how the virus evolves.The closest norovirus vaccine is a Moderna trial wrapping up in 2027,