Smallpox is a disease causing rashes on the face, legs, hands, arms and etc. This contagious disease spreads from a person to another which is caused by the virus naming ‘Variola’ which comes in two forms.The variola virus has two forms namely Variola minor and Variola major. The virus resembles a brick like structure and has a barrier layer, which it takes from the host cell. The virus core is dumbbell shaped whose core has the DNA and necessary proteins in it which are required to replicate in the host cell. Incubation period of disease is about 17 days causing severe fever along with rashes on the body.
Smallpox is an Airborne disease with a faster rate of transmission.Causes are-
After the virus infection, symptoms aren’t visible for about 17 days resulting in severe symptoms as given below-