2020
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
30th
|
|
|
40th
|
|
|
20th
|
|
|
10th
|
Detailed explanation-1: -The World Health Organization (WHO) and therefore the United Nation (UN) postal agency released commemorative Postage Stamp on the 40th anniversary of the eradication of smallpox.
Detailed explanation-2: -Thanks to the success of vaccination, the last natural outbreak of smallpox in the United States occurred in 1949. In 1980, the World Health Assembly declared smallpox eradicated (eliminated), and no cases of naturally occurring smallpox have happened since.
Detailed explanation-3: -Although the first smallpox vaccine appeared in 1796, outbreaks continued well into the 1900s. Large-scale vaccination finally eliminated smallpox from the United States in 1949, but the disease spread freely in other parts of the world for three more decades.
Detailed explanation-4: -The Smallpox Pandemic of 1870-1874.
Detailed explanation-5: -The global smallpox eradication program started with CDC’s venture in West and Central Africa in 1966. Funded by the U.S. Agency for International Development, CDC worked with governments and health workers in 20 countries to eradicate this ancient disease.