Q. Which of the following diseases has / have been eradicated on global levels as of 2021?

1. Smallpox
2. Polio
3. Rinderpest
4. Dracunculiasis

Select the correct answer from the codes given below:
Answer: Only 1 & 3
Notes: Smallpox, caused by the Variola virus, has a 30% fatality rate and was declared eradicated in 1979. Rinderpest, an infectious viral disease affecting cattle, is also eradicated. Poliomyelitis, caused by the Poliovirus, is still being eradicated, with Afghanistan and Pakistan as the last regions with wild cases. Dracunculiasis, or Guinea-worm disease, caused by a nematode, remains a neglected tropical disease and is not eradicated.