There are two types of variola. For centuries smallpox was one of the worlds most-dreaded diseases.
In The 1770s Smallpox Was A Problem It Killed Millions
Most people with smallpox recovered but about 3 out of every 10 people with the disease died.
. Smallpox is a life-threatening disease that causes pus-filled blisters to develop all over the body. Smallpox infectious disease that begins with fever and headache and proceeds to an eruption of the skin that leaves pockmarks. Smallpox is a contagious disfiguring and often deadly disease that has affected humans for thousands of years.
People who had smallpox had a fever and a distinctive progressive skin rash. Before smallpox was eradicated it was a serious infectious disease caused by the variola virus. Unfortunately this global eradication campaign suffered from a lack of funds personnel and commitment from countries and a shortage of vaccine donations.
Smallpox was eradicated eliminated from the world in 1980. Because smallpox no longer occurs naturally scientists are only concerned that it could reemerge through bioterrorism. Naturally occurring smallpox was wiped out worldwide by 1980 the result of an unprecedented global immunization campaign.
The last naturally occurring case was diagnosed in October 1977 and the World Health Organization WHO certified the global eradication of the disease in 1980. Smallpox was an infectious disease caused by one of two virus variants Variola major and Variola minor. Global Smallpox Eradication Program.
Since then there havent been any recorded cases of smallpox. It was contagiousmeaning it spread from one person to another. Smallpox is a disease that is caused by the variola virus.
The variola virus however infects only humans meaning animals are unable to catch smallpox. In 1959 the World Health Organization WHO started a plan to rid the world of smallpox. It is an infectious also known as communicable disease meaning it can spread from one person or animal to another either directly or indirectly.
The agent of variola virus VARV belongs to the genus Orthopoxvirus. But it was also one of the first diseases to be controlled by a vaccine which led to its eradication in 1980.
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