Which of the following disease is transmitted mainly by faeco–oral route?

Correct option is A

Sol. Polio is caused by the poliovirus, transmitted primarily through the faeco-oral route, especially in areas with poor sanitation. The virus enters through the mouth, multiplies in the intestine, and can cause paralysis in severe cases. Vaccination and hygiene are the main prevention strategies.
Explanation of each option:
· (a) Polio – Correct Answer. Spread via contaminated water, food, or hands. WHO promotes oral polio vaccination (OPV) in endemic areas.
· (b) HIV – Transmitted through blood, sexual contact, and from mother to child, not through fecal-oral route.
· (c) Measles – Airborne transmission via droplets from coughs or sneezes, not via ingestion of fecal matter.
· (d) Syphilis – A sexually transmitted infection (STI) caused by Treponema pallidum. It spreads through direct contact with syphilitic sores.