Free Essays from Bartleby | the 19th and 20th centuries, a now eradicated disease called smallpox killed an estimated million people. This. Introduction Smallpox is a viral disease that causes pus-filled boils on the dermis. Smallpox has now been eradicated through aggressive vaccination. Causative agent Smallpox is caused by the Variola virus, which belongs to the Orthopoxvirus genus.
Learn about the symptoms, causes and vaccine prevention of this contagious, disfiguring and sometimes fatal viral disease. Smallpox is a disease caused by a poxvirus that is transmitted from person to person that causes high fever, characteristic rash, and may kill about one-third of .
The origin of smallpox as a natural disease is lost in prehistory. It is believed to have. Smallpox was an infectious disease caused by one of two virus variants, Variola major and The origin of smallpox is unknown. The earliest evidence of the.
Smallpox is the only disease that has been eradicated around the world. Its eradication is in large part thanks to a global immunization effort. On December 9, , the Global Commission for the Certification of Smallpox Eradication signed their names to the statement that "smallpox.
Before smallpox was eradicated, it was a serious infectious disease caused by the variola virus. It was contagious—meaning, it spread from one person to. Smallpox was an infectious disease caused by one of two virus variants, Variola major and Variola minor. The last naturally occurring case was diagnosed in.
Smallpox is the infectious disease produced by Variola major. It was the first infection for which a preventive measure, vaccination, was introduced; it is the first. Smallpox is an infection caused by the variola virus. But in , British doctor Edward Jenner discovered a way to protect people from getting smallpox, which led to the development of the first smallpox vaccine. Although smallpox infection was wiped out many years ago, samples of.