Norovirus is the most common cause of gastroenteritis, causing vomiting, diarrhoea and nausea. There is currently no effective treatment.
New research from Korea suggests vitamin A could help to prevent the virus from replicating, offering hope for new treatment methods.
Researchers looked at the effect of vitamin A on norovirus in the lab as well as in mice. They found that the vitamin reduced the quantity of virus in both instances. They also found that the makeup of the mice’s gut microbiome was altered by the introduction of vitamin A, suggesting that the vitamin helps the gut bacteria mount a defence against the virus.
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