What month does norovirus peak? What season is norovirus most common?

Norovirus, often referred to as the “winter vomiting disease,” is a highly contagious virus that causes gastroenteritis, an inflammation of the stomach and intestines. It’s known for causing symptoms such as nausea, vomiting, and diarrhea.

In terms of when norovirus peaks, it’s most common during the cooler months of the year. In countries above the equator, outbreaks occur most often between November and April.

Conversely, in countries below the equator, the peak season for norovirus is from May to September. However, it’s important to note that norovirus can occur at any time of the year, and outbreaks can happen anytime.

In places closer to the equator, norovirus may be less seasonal and can occur at any time. In the United States, for example, outbreaks of norovirus occur most frequently during late fall, winter, and early spring.

While these trends provide a general idea of when norovirus is most common, it’s crucial to remember that norovirus can spread at any time, and it’s always important to practice good hygiene to prevent infection. This includes washing hands regularly, especially before handling food, and cleaning surfaces thoroughly if someone in your household is ill.