Newsweek has created a map showing where in the country norovirus is surging as reported cases of the stomach bug continue to increase.

While the US witnesses norovirus cases in the thousands all throughout the year, this year, there has been a disturbing increase, as is evident from CDC's latest December report.

What is norovirus? Norovirus is the leading cause of foodborne illness in the United States, responsible for 58% of such infections acquired in the country each year, according to the CDC.

Cases of norovirus are surging in the United States. It’s the country’s leading cause of foodborne illnesses but there have been even more outbreaks than usual recently — hitting schools ...

What is norovirus? Norovirus is the leading cause of foodborne illness in the United States, responsible for 58% of such infections acquired in the country each year, according to the CDC.

What is norovirus? Norovirus is the leading cause of foodborne illness in the United States, responsible for 58% of such infections acquired in the country each year, according to the CDC.

The United States Food and Drug Administration issued multiple advisories on Wednesday for oysters and clams that they say could be contaminated with norovirus, a serious gastrointestinal illness.

What is norovirus? Norovirus is the leading cause of foodborne illness in the United States, responsible for 58% of such infections acquired in the country each year, according to the CDC.

Cases of norovirus, a wretched and highly contagious stomach bug, are surging in parts of the United States this winter, according to government data.

Cases of a wretched stomach bug, norovirus, are surging in parts of the United States this winter, according to government data.

What is norovirus? Norovirus is the leading cause of foodborne illness in the United States, responsible for 58% of such infections acquired in the country each year, according to the CDC.