The Variola virus is a member of the Orthopoxvirus genus, which also includes vaccinia virus and monkeypox virus. Smallpox caused a characteristic rash, fever, and often led to severe scarring or death.
Which one of the following viruses used to be responsible for highly infectious disease Smallpox ?
Asked in UPSC NDA 2 2021 · Topic: Viral Diseases (Viral Structure, Classification, and Replication Strategies)
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