Answer
Verified
431.7k+ views
Hint: Poliomyelitis in a short form we called it as polio, it is an infectious disease caused by the poliovirus, where it enters the person through the mouth, from the gut of the person it enters the central nervous system, where it causes muscle weakness and result in flaccid paralysis.
Complete answer:
- Polio mainly spreads from one person to another through infected fecal matter that enters the mouth, it may also through contaminated water and food with infected human feces, and rarely it is spread by infected saliva.
- Polio is caused by the poliovirus which belongs to the genus Enterovirus, where it enters through the mouth, and it is incubated in the oropharynx from 3 to 35 days, and it may enter the central nervous system.
- But if the people are vaccinated by the poliovirus and already have the antibodies, mainly IgA antibodies they prevent the virus from entering the motor areas of the nervous system.
- Some serotypes of the poliovirus do not cause any major symptoms, while some are symptomatic, they may cause paralysis or may not, and it is called abortive poliomyelitis.
- Only 1% of the infected people show the symptoms related to CNS, where the muscle becomes weak, floppy and flaccid paralysis occur.
Hence, the correct answer is option (D).
Note: Generally the polio prevention is done by the vaccination, mainly of two types, where both provide immunity to fight with polio, and block the person to person transmission of the virus, so it protects the person individually and the community also, it is providing the herd-immunity.
Complete answer:
- Polio mainly spreads from one person to another through infected fecal matter that enters the mouth, it may also through contaminated water and food with infected human feces, and rarely it is spread by infected saliva.
- Polio is caused by the poliovirus which belongs to the genus Enterovirus, where it enters through the mouth, and it is incubated in the oropharynx from 3 to 35 days, and it may enter the central nervous system.
- But if the people are vaccinated by the poliovirus and already have the antibodies, mainly IgA antibodies they prevent the virus from entering the motor areas of the nervous system.
- Some serotypes of the poliovirus do not cause any major symptoms, while some are symptomatic, they may cause paralysis or may not, and it is called abortive poliomyelitis.
- Only 1% of the infected people show the symptoms related to CNS, where the muscle becomes weak, floppy and flaccid paralysis occur.
Hence, the correct answer is option (D).
Note: Generally the polio prevention is done by the vaccination, mainly of two types, where both provide immunity to fight with polio, and block the person to person transmission of the virus, so it protects the person individually and the community also, it is providing the herd-immunity.
Recently Updated Pages
How many sigma and pi bonds are present in HCequiv class 11 chemistry CBSE
Mark and label the given geoinformation on the outline class 11 social science CBSE
When people say No pun intended what does that mea class 8 english CBSE
Name the states which share their boundary with Indias class 9 social science CBSE
Give an account of the Northern Plains of India class 9 social science CBSE
Change the following sentences into negative and interrogative class 10 english CBSE
Trending doubts
A group of fish is known as class 7 english CBSE
The highest dam in India is A Bhakra dam B Tehri dam class 10 social science CBSE
Write all prime numbers between 80 and 100 class 8 maths CBSE
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
Onam is the main festival of which state A Karnataka class 7 social science CBSE
Who administers the oath of office to the President class 10 social science CBSE
Differentiate between homogeneous and heterogeneous class 12 chemistry CBSE
Kolkata port is situated on the banks of river A Ganga class 9 social science CBSE
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE