Last Christmas Eve Michael Harding's wife Gretchen was in bed with the stomach flu.

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For Rory, initially misdiagnosed with a stomach flu, the symptoms included an abnormally high temperature, mottled skin and a sore leg.

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Though commonly known as "stomach flu, " it is not caused by the influenza virus, according to the U.S. Centers for Disease Control and Prevention.

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It is commonly known as "stomach flu, " but is not caused by the influenza virus, according to the U.S. Centers for Disease Control and Prevention.

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Huffnagle explained that probiotics may help with a range of medical conditions including antibiotic-associated diarrhea, stomach flu in children and adults, irritable bowel syndrome, and even food and seasonal allergies in some cases.

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GPs in Glasgow were warned on Friday to be on the lookout for a possible increase in the number of patients with problems including stomach cramps, mild flu and diarrhoea.

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The biggest killers then were flu, pneumonia, tuberculosis, and stomach bugs.

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