Poliomyelitis is an epidemic virus infection. Which of the following is responsible for it?
A
Dengue virus
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B
Entero virus
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C
Rhabdo virus
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D
Mumps virus
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Solution
The correct option is B Entero virus Poliomyelitis is an acute communicable disease of humans caused by a human enterovirus of the Picornaviridae family. The virus is composed of a single- stranded, positive sense RNA genome and a protein capsid. The 3 stereotypes of poliovirus carry are antigenically distinct. Poliovirus is transmitted from one person to another by oral contact with secretions or faecal matter from an infected person. Most poliovirus infections cause asymptomatic viral replication that is limited to the alimentary tract. However, following an incubation period of approximately 7-10 days, about 24% of those infected develop clinical signs such as fever, headache and sore throat.