The virus spreads by diarrhoea and vomiting. Direct contact with an infected person or touching contaminated surfaces and then putting.
Your fingers in your mouth are the two ways it is transmitted. The virus may also be transmitted by contaminated food or drink.
Because they are filter feeders and may pick up the virus from untreated sewage that enters their habitats, shellfish—particularly oysters and clams—are also known.
To transmit the infection. What symptoms are caused by norovirus? How much time do they last? After being exposed to the virus,
Symptoms start 12 to 48 hours later and remain for one to three days. Infected people might remain infectious for two weeks after they recover.
Fluid loss from frequent vomiting and diarrhoea may result in severe dehydration, which is one of the risks. Children and the elderly in particular should be on the lookout.