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Symptoms begin 12 to 48 hours after exposure to the virus and last for about 1 to 3 days. Even after recovering, infected individuals can be contagious for two more weeks.
The virus, often called "the stomach bug," causes diarrhea and vomiting. People should wash their hands carefully after changing a diaper; touching frequently touched surfaces, such as door ...
According to CDC figures, more than 200 outbreaks of norovirus — which is sometimes referred to as the stomach flu or stomach bug, though it has no official ties to influenza — have occurred ...
The winter stomach bug is back. Norovirus, a contagious virus that causes vomiting and diarrhea, has been surging in the Northeast over the past few weeks.
Signs and symptoms usually begin 12–72 hours after contracting the infectious agent. [15] If due to a virus, the condition usually resolves within one week. [18] Some viral infections also involve fever, fatigue, headache and muscle pain. [18] If the stool is bloody, the cause is less likely to be viral [18] and more likely to be bacterial. [19]
After infection, immunity to the same strain of the virus – the genotype – protects against reinfection for six months to two years. [54] This immunity does not fully protect against infection with the other diverse genotypes of the virus. [54] In Canada, norovirus is a notifiable disease. [55] In both the US and the UK it is not notifiable ...
The 2023-2024 norovirus season is well underway in the United States. Cases of the highly contagious stomach bug, which causes diarrhea and vomiting, are climbing steadily across the country.
Gastric outlet obstruction (GOO) is a medical condition where there is an obstruction at the level of the pylorus, which is the outlet of the stomach.Individuals with gastric outlet obstruction will often have recurrent vomiting of food that has accumulated in the stomach, but which cannot pass into the small intestine due to the obstruction.