What viruses have been eradicated by vaccines
[DOCX File]COVID-19 vaccines
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Safe and effective COVID-19 vaccines have been able to be developed faster than any other vaccine for several reasons: a level of funding not seen before; the availability of new technology; and . researchers and developers around the world working together. Some steps of the clinical trials and approval processes have been done at the same time instead of one after the other. As soon as the ...
[DOCX File]Purpose of this document - WHO | World Health Organization
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Over the past ten years, more than 10 billion doses of OPV have been given to nearly three billion children worldwide. More than 10 million cases of polio have been prevented, and the disease has been reduced by more than 99%. It is the appropriate vaccine through which to achieve global polio eradication. OPV contains attenuated (weakened) polioviruses. On extremely rare occasions, use of …
[DOCX File]Topic 1: Cell biology (15 hours)
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Application: Smallpox was the first infectious disease of humans to have been eradicated by vaccination. Application: Monoclonal antibodies to HCG are used in pregnancy test kits. Application: Antigens on the surface of red blood cells stimulate antibody production in a person with a different blood group.
[DOCX File]MALARIA - Department of Health
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Smallpox has been eradicated as a naturally occurring infectious illness, with no known animal vector(1 The last naturally acquired case of smallpox occurred in 1977. The re-introduction of smallpox would constitute a Public Health Emergency of International Concern …
[DOC File]Chapter 5 Homework - Rice University
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d. There has been much interest in eliminating poliovirus worldwide. What is the only infectious disease that has been eradicated to date? e. Discuss why the use of a vaccine led to the eradication of this disease while other diseases for which vaccines exist have not been eradicated. f. List two properties that are necessary in order for a ...
[DOC File]VACCINATION
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Smallpox vaccine has resulted in the eradication of naturally occurring smallpox infection on earth. Smallpox vaccines are derivatives of cowpox (vaccinia) virus and are the derivatives of one of three strains: Elstree (Lister, France) strain, EM63 (Moscow) strain, and …
[DOCX File]Purpose of this document - WHO | World Health Organization
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Bivalent OPV does not contain type 2, and wild poliovirus type 2 has been eradicated since 1999. This outbreak implies that a strain of the weakened virus in OPV2 has continued to circulate in the environment since April 2016.
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