WHO explanations of chickenpox: No need for mass vaccination

WHO explanations of chickenpox: No need for mass vaccination

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Representatives of the World Health Organization reported on the smallpox virus at the 75th World Health Assembly. Emphasizing that there are still many unanswered questions about how the current epidemic originated, it was noted that approximately 200 cases of monkeypox were detected in more than 20 countries.

WHO Director of Epidemics, Dr. “The sequencing of the virus shows that the strain is not different from the species we encountered in endemic countries, and the outbreak was probably due to a change in human behavior,” Sylvie Briand said in a statement. Briand said the current situation appears to be “controllable” based on developments in past outbreaks in Africa. Briand said the WHO was still expecting more cases in the future, saying: “We don’t know if we see the top of the iceberg or if there are many more unidentified cases.” Briand said disease control in non-endemic countries was a priority, and stressed that rapid action was possible. “We think we can easily manage the epidemic if we take the right action now,” Briand said.
Briand also pointed out that the monkey pox virus is transmitted much more slowly than the coronavirus.

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Head of the WHO Smallpox Division, Dr. Rosamund Lewis also said that smallpox does not spread easily and that close contact is usually required for transmission, and said: “There is no need for mass vaccination.” Lewis said vaccine countries could evaluate them at high risk in close contact with patients or healthcare professionals, and said that smallpox can be controlled mostly by isolation and ongoing epidemiological research. “Investigating the case, monitoring contacts, home isolation would be the best options,” Lewis said.


According to the World Health Organization, the monkeypox virus was first detected in humans in 1970 in the Democratic Republic of the Congo. Since 1970, monkeypox has occurred in humans in 11 African countries: Benin, Cameroon, the Central African Republic, the Democratic Republic of the Congo, Gabon, Côte d’Ivoire, Liberia, Nigeria, the Republic of the Congo, Sierra Leone and South Sudan. The virus was first seen outside Africa in 2003 in the United States. The monkeypox virus was later found in some people who traveled to Africa in Israel and the United Kingdom in 2018, Singapore in 2019 and the United States in 2021. Since 2017, more than 200 monkeypox viruses have been reported in Nigeria, and reports have been reported. more than 500 suspected cases. While 3 percent of the deaths, the virus caused a major epidemic in the country.
The smallpox virus is divided into two Central African tribes (Congo Basin) and West African tribes. The Congo basin is thought to be causing more serious disease and being more contagious.

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The WHO states that the symptoms of the disease are “very similar to those seen in smallpox patients in the past, although clinically less severe.” According to the organization, the virus is transmitted from animal to human and human to human contact by close contact. The smallpox vaccines used are said to provide 85% protection against the smallpox virus. According to the WHO, it is not clear at this time whether the virus is sexually transmitted. The incubation period of the virus is reported to be usually 6 to 13 days, but may range from 5 to 21 days.


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