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Development of agricultural output of Vietnam in 2015 US$ since 1961 Agriculture in Vietnam with farmers. Agriculture's share of GDP has declined in recent years, falling from 42% in 1989, to 26% in 1999. [1] In 2023, agriculture and forestry accounted for about 12% of Vietnam's gross domestic product (GDP). [2]
The polio vaccines prevented 29 million cases of paralytic polio between 1960 and 2021, compared with a counterfactual world with no vaccines, according to researchers’ estimates.
In 2018, there were 33 cases of wild polio, and 103 cases of vaccine-derived polio. [5] This is down from 350,000 wild cases in 1988. [ 2 ] In 2018, the disease was only spread between people in Afghanistan and Pakistan .
Thomas Francis Jr. (July 15, 1900 – October 1, 1969) was an American physician, virologist, and epidemiologist who guided the discovery and development of the polio vaccine being worked on by his student Jonas Salk.
Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.
Two vaccines are used throughout the world to combat poliomyelitis.The first, a polio vaccine developed by Jonas Salk, is an inactivated poliovirus vaccine (IPV), consisting of a mixture of three wild, virulent strains of poliovirus, grown in a type of monkey kidney tissue culture (Vero cell line), and made noninfectious by formaldehyde treatment.
Trump's comments come after the news last week that a lawyer for Robert F. Kennedy, Jr., Trump's pick to head the Department of Health and Human Services, once filed to have the FDA cancel its ...
Albert Sabin, a virologist who publicly disagreed with Salk and his killed vaccine, worked on creating a vaccine with live attenuated vaccines. [5] In January 1956, despite Cold War tensions, Mikhail Chumakov, the director of Moscow's Polio Research Institute, along with his wife virologist Marina Voroshilova, and his colleague Anatoli Smorodentsev, traveled to the U.S. in order to study the ...