Avian flu headache stomach bug
In Avian flu, headache is a common complaint along with the infection which is caused by the stomach bug. Other symptoms of Avian flu are stomach pain and vomiting. Avian flu is caused by a virus which is found in birds.

Sometimes it can be more than a stomach bug. I had sharp pains in my stomach and it turned out to be a colon infection. If the pains get worse or you have abnormal symptoms, go see your doctor.
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