Which of these are the largest animal viruses?
Correct answer: B. Poxviruses
- A. HIV
- B. Poxviruses
- C. COVID-19
- D. HBV
Explanation
HIV (Human Immunodeficiency Virus) measures about 100-120 nm in diameter. Poxvirus is the largest among them, with a size of about 200-400 nm. The COVID-19 virus (SARS-CoV-2) has a diameter of about 80-120 nm, while HBV (Hepatitis B virus) is the smallest, measuring only about 42 nm.
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