What is bird flu? According to Mayo Clinic, it is an infectious viral disease that primarily affects birds and mammals. Specifically, the “H5N1” strain is particularly severe within avian species, ...
Viral evolution refers to the heritable genetic changes that a virus accumulates during its life time, which can arise from adaptations in response to environmental changes or the immune response ...
Researchers have identified a new axis of host defense by studying what happens during enteric infection -- a term that encompasses all types of intestinal infections including so called 'stomach flu.