Variant Influenza Virus (Swine Flu) Symptoms Topic Guide

Variant Influenza Virus (Swine Flu) Variant Influenza Virus (Swine Flu) : Not infrequently, there is a news report of another outbreak of swine flu, where a type of influenza A that normally infects pigs crosses over and infects a human. Actually, however, "swine flu" no longer exists, since the infection is now called a "variant influenza virus" infection. The type of virus is often named based on its genetic makeup.

Variant Influenza Virus (Swine Flu) Topic Guide - Visuals