The time period “abdomen flu” is a misnomer that some people use to explain gastrointestinal diseases attributable to other microorganisms. H1N1 infections, however, triggered more nausea, vomiting, and diarrhea than the traditional (seasonal) flu viruses. Depending upon the severity of the infection, some sufferers can develop swollen lymph nodes, muscle ache, shortness of breath, extreme complications, chest pain or chest discomfort, dehydration, and even death. For healthy adults, a 2018 Cochrane review showed that vaccines decreased the incidence of lab-confirmed influenza from 2.three{4605891ea247c1b3544901749054d58a4774ad726c9970c37b7697756df937fd} to 0.9{4605891ea247c1b3544901749054d58a4774ad726c9970c37b7697756df937fd}, which constitutes a discount of threat of roughly 60{4605891ea247c1b3544901749054d58a4774ad726c9970c37b7697756df937fd}. However, for influenza-like illness which is …