The University of Missouri Research Reactor Center is the world's most powerful university research reactor. It is one of only six public universities in the United States with a school of medicine, veterinary medicine, engineering, agriculture, and law all on one campus.
Stomach Flu Symptoms: Cramps and Nausea. Stomach flu causes inflammation of the lining of the stomach, small intestine, and large intestine. Viral gastroenteritis is highly contagious and affects millions of people around the world every year with vomiting, watery diarrhea, headache, fever, chills, and abdominal pain and cramping.
Certain symptoms that affect the stomach may be described as abdominal tightness, abdominal pain, or stomach cramps. Abdominal tightness may be caused by any number of conditions, many of them minor in nature, but you should always take any unusual symptom seriously and pay attention to your body.