12-The Polio Virus _v.2_

Polio philip drinker and louis shaw developed the

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Unformatted text preview: sis. polio Philip Drinker and Louis Shaw developed the Philip iron lung in 1928. iron What is the Polio Virus? Franklin Delano Roosevelt is elected president in 1932 and is the first and only president to use a wheelchair. use World War II ends in 1945 and polio World epidemics occur almost immediately with more the 20,000 cases yearly between 1945 and 1949 and Pictures of Virus Pictures Three Viruses The three classifications of the Polio virus are Types 1, 2, and 3 Types The viruses are RNA viruses This means that the viruses affect the cell’’s s RNA and use it to multiple RNA Causes of Infection Infection is caused by contact with infected...
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