It can knock down a large number of viruses with just one strike. Why are kindergartens afraid of encountering the "trouble-making" Norovirus?

How much do you know about Norovirus?

Many people are familiar with Norovirus. Norovirus can occur throughout the year, and the peak infection season is generally from October to March of the following year . Every year, it causes diarrhea outbreaks and epidemics of varying degrees around the world.

Especially for families with children, norovirus is like a little devil who loves to make trouble. It can knock down a large number of people with one move, making parents worry. So, why is norovirus so powerful? How can we avoid it?

Why can Norovirus “knock down a large area”?