Smallpox

It was eradicated by a collaborative global vaccination programme led by the World Health Organization. For centuries smallpox was one of the worlds most-dreaded diseases.

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In 1959 the World Health Organization WHO started a plan to rid the world of smallpox.

. The last known natural case was in Somalia in 1977. The agent of variola virus VARV belongs to the genus Orthopoxvirus. Thousands of years ago variola virus smallpox virus emerged and began causing illness and deaths in human populations with smallpox outbreaks occurring from time to time.

But it was also one of the first diseases to be controlled by a vaccine which led to its eradication in 1980. Smallpox is a life-threatening disease that causes pus-filled blisters to develop all over the body. In the 18th century in Europe 400000 people died annually of smallpox and.

The variola virus however infects only humans meaning animals are unable to catch smallpox. In 1980 the World Health Assembly declared smallpox. 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.

Another factor contributing to smallpox in the Americas was the slave trade because many slaves came from regions in Africa where smallpox was endemic. Widespread vaccinations has lead to the successful eradication of smallpox. 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. The clearest description of smallpox from pre-modern times was given in the 9th century by the Persian physician Muhammad ibn Zakariya ar-Razi known in the West as Rhazes who was the first to differentiate smallpox from measles and chickenpox in his Kitab fi al-jadari wa-al-hasbah The Book of Smallpox and Measles. Unfortunately this global eradication campaign suffered from a lack of funds personnel and commitment from countries and a shortage of vaccine donations.

Because smallpox no longer occurs naturally scientists are only concerned that it could reemerge through bioterrorism. There are two types of variola. Smallpox existed for thousands of years killed millions and was fatal in up to 30 of cases.

Thanks to the success of vaccination the last natural outbreak of smallpox in the United States occurred in 1949. Smallpox affected all levels of society. Global Smallpox Eradication Program.

It is an infectious also known as communicable disease meaning it can spread from one person or animal to another either directly or indirectly. Smallpox is a disease that is caused by the variola virus. Smallpox was eradicated eliminated from the world in 1980.

Since then there havent been any recorded cases of smallpox. Naturally occurring smallpox was wiped out worldwide by 1980 the result of an unprecedented global immunization campaign. Smallpox was an infectious disease caused by one of two virus variants Variola major and Variola minor.

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