Spanish Influenza Epidemic Influenza is and acute infectious and Contagious disease sometimes becoming Pandemic. It is characterized by an inflammation of the mucous membrane of the respiratory tract. Epidemics of this disease have been recorded as early as 1510. The Influenza pandemic of 1...

In the beginning diseases were thought to be a kind of punishment from God, rather than an infection caused by a foreign body. Later this was found to be untrue, and we now have an entire field of science devoted to the study of these diseases, the foreign bodies that cause them, and treatments for ...

Influenza: Types A and B Influenza, commonly known as the flu, is a contagious disease caused by a virus infecting the reparatory tract. Influenza viruses are divided into three types, designated as A, B, and C. Influenza type C usually only causes either very mild symptoms or no symptoms at al...

Influenza: Types A and B Influenza, commonly known as the flu, is a contagious disease caused by a virus infecting the reparatory tract. Influenza viruses are divided into three types, designated as A, B, and C. Influenza type C usually only causes either very mild symptoms or no symptoms at a...