Summary
Norovirus, known for causing extreme vomiting, is spreading rapidly, with recent cases doubling according to the CDC. This virus can severely affect those with weak immune systems, older adults, and young children, and spreads through contact with contaminated surfaces or food.
Key Facts
- The norovirus is highly contagious and is sometimes called the "winter vomiting disease."
- Recent data from the CDC shows that norovirus cases have doubled in the past few weeks.
- About 14% of tests for norovirus were positive in mid-November, up from 7% three months earlier.
- Norovirus symptoms include diarrhea, vomiting, nausea, stomach pain, and dehydration.
- The virus affects about 20 million people each year in the United States.
- It spreads through contact with contaminated surfaces or food, especially shellfish, and through bodily fluids.
- The virus is particularly dangerous for the elderly, young children, and those with weakened immune systems.
- Norovirus outbreaks are common in crowded environments like nursing homes and daycare centers.
