Smallpox, a disease caused by Variola virus, is an infectious disease. A destructive disease, it is characterized by weakness, headaches, fever, and rashes accompanied by vomiting. It is usually transmitted through prolonged body contact, exchange of body fluids and breathing in the virus released by a sneeze or cough of an affected person. The disease can be controlled if a vaccine is administered in the initial stages, but it cannot be cured completely.
HOW IS SMALLPOX DIAGNOSED?
Currently, smallpox vaccinations around the world have been stopped as it believed that the disease has been eradicated. Officially, the virus is kept in USA and Russia under laboratory conditions.