The Great Influenza Terms

An antigen is anything that binds to a specific antibody or T-cell receptor in the human body (both of which the body uses to identify foreign invaders). Typically, this causes a response from the body’s… read analysis of Antigen

The four humors were four bodily fluids: phlegm, blood, yellow bile, and black bile. According to the humoral theory, first adopted by ancient Greeks, illnesses were caused by imbalances in the humors. This eventually led… read analysis of Humors

A pathogen is an organism or virus that causes a disease. Finding the pathogen behind the 1918 influenza pandemic was a major goal for scientists from that era, because then it would be possible to… read analysis of Pathogen