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Norovirus outbreak: Why is the number of cases in England so high?

Cases of norovirus in England are at their highest level for more than 10 years and are still rising – here’s what could be behind it

By Jason Arunn Murugesu

2 March 2023

Norovirus particles — Noroviruses are a common cause of gastroenteritis cases around the world
CDC/SCIENCE PHOTO LIBRARY

The numbers of norovirus cases in England are the and are still rising, according to the UK Health Security Agency (UKHSA).

In the current winter season, up until , which is the latest data available, there have been more than 4550 lab reports of norovirus in England. The number of reported cases for the two weeks up to 19 February is 14 per cent higher than for the previous two weeks, meaning this spike is…

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