SCIENCE
VIRUS AND BACTERIA
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mosquito bites
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Tick bites
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Contaminated food and water
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Saliva and secretion from the nose
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Detailed explanation-1: -Transmission. Poliovirus is very contagious and spreads through person-to-person contact. It lives in an infected person’s throat and intestines. It can contaminate food and water in unsanitary conditions.
Detailed explanation-2: -Polio (poliomyelitis) is a contagious disease that can be prevented by vaccination. It is caused by poliovirus type 1, 2 or 3. It is spread from person to person and through contaminated food and water.
Detailed explanation-3: -For example, you can get polio if you: Eat raw or undercooked food or drink water or other drinks that are contaminated with the stool of an infected person.
Detailed explanation-4: -Poliovirus infection occurs by the fecal-oral route, when the host ingests the virus, which replicates in the alimentary tract. The virus is then shed in the feces. Most polio infections are asymptomatic. In about 5 percent of cases, the virus replicates in other tissues.
Detailed explanation-5: -Poliovirus can spread from person to person or by food or water containing human faeces and less commonly from infected saliva.