Search results
Results From The WOW.Com Content Network
Variolation was the method of inoculation first used to immunize individuals ... Variolation is no longer used today. ... The method was first used in China, India ...
This practice, known today as variolation, was first practiced in China in the 10th century. [34] Methods of carrying out the procedure varied depending upon location. Variolation was the sole method of protection against smallpox other than quarantine until Edward Jenner's discovery of the inoculating abilities of cowpox against the smallpox ...
Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] 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, [10] making smallpox the only human disease to have been eradicated to date.
The smallpox vaccine is used to prevent smallpox infection caused by the variola virus. [10] It is the first vaccine to have been developed against a contagious disease. In 1796, British physician Edward Jenner demonstrated that an infection with the relatively mild cowpox virus conferred immunity against the deadly smallpox virus.
Inoculation has ancient origins, and the technique was known in India, Africa, and China. [5] ... By the 18th century, variolation was widely practiced in India.
1549 – The earliest account of inoculation of smallpox (variolation) occurs in Wan Quan's (1499–1582) Douzhen Xinfa (痘疹心法). [2] 1718 – Smallpox inoculation in Ottoman Empire realized by West, and Henry Kipkosgei, recorded the positive effects of variolation.
Shares have fallen in Asia after China reported that its economy grew at a 4.9% annual pace in July-September, down from 6.3% in the previous quarter. U.S. futures also fell, while oil prices ...
The earliest recorded artificial induction of immunity in humans was by variolation or inoculation, which is the controlled infection of a subject with a less lethal natural form of smallpox (known as Variola Minor) to make him or her immune to re-infection with the more lethal natural form, Variola Major.