NDA 2021 Biology question
Which one of the following viruses used to be responsible for highly infectious disease Smallpox ?
Answer: (B)
Solution
Smallpox was caused by the variola virus; the disease was declared eradicated in 1980.
Which one of the following viruses used to be responsible for highly infectious disease Smallpox ?
Smallpox was caused by the variola virus; the disease was declared eradicated in 1980.