天花 smallpox Chinese invented inoculation of human smallpox (variolation ) in 10th century, widely used in 14-16 century Lady montagu 深 brought back from Lady Montagu Turkey to Europe in 1721 variolation Blow the scab of smallpox skin lesion
天花 smallpox Lady Montagu Chinese invented inoculation of human smallpox (variolation) in 10th century, widely used in 14-16 century Lady Montagu brought back from Turkey to Europe in 1721 variolation Blow the scab of smallpox skin lesion
天花 smallpox o Inspired by the fact that dairymaids infected with cowpox were immune to small pox, Edward Jenner invented cowpox vaccine against human smallpox. DAY I4 VARIOLATION VACCINATION Edward Jenner variolation 17491823 vaccination (vaccinia vacca-cow)
天花 smallpox Inspired by the fact that dairymaids infected with cowpox were immune to smallpox, Edward Jenner invented cowpox vaccine against human smallpox. Edward Jenner variolation 1749-1823 vaccination (vaccinia vacca-cow)
天花 smallpox o Jenner deliberately infected James Phipps, an eight year old boy with cowpox in may 14, 1796. He then exposed Phipps to smallpox-which Phipps failed to contract. After repeating the experiment on other children, including his own son, Jenner concluded that vaccination provided immunity to smallpox without the risks of variolaⅰon Jenner's findings were published in 1798
天花 smallpox Jenner deliberately infected James Phipps, an eight year old boy, with cowpox in May 14, 1796. He then exposed Phipps to smallpox–which Phipps failed to contract. After repeating the experiment on other children, including his own son, Jenner concluded that vaccination provided immunity to smallpox without the risks of variolation. Jenner’s findings were published in 1798
T'heCow- Pock_- the WondrfulEifectse of the New Inoetlalion. - vide. the /ndiowhins o,y larine racan
天花 smallpox o in 1840 Vaccination Acts were passed the british government banned vario|atⅰ on and provided vaccination, ee of charge. o In 1805 vaccination was introduced to China via portugal merchants in macao
天花 smallpox in 1840 Vaccination Acts were passed, the British government banned variolation and provided vaccination, free of charge. In 1805 vaccination was introduced to China via Portugal merchants in Macao