No. There are hundreds of viruses that can cause respiratory illnesses. Flu vaccine protects against 3-4 strains of influenza that are predicted to be prevalent in the upcoming flu season. Illnesses commonly referred to as “Stomach Flu” or gastroenteritis that cause diarrhea, abdominal cramping, nausea and/or vomiting are usually caused by germs that affect the stomach and/or intestines.
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