Q: How many types can viruses infect?\nOptions:\n- (A) mice\n- (B) pigs\n- (C) bird\n- (D) RNA\n- (E) ova\n- (F) tiny\n- (G) HPV\n- (H) Two
Let's think step by step below.

User
Viruses often infect bacteria. Bacteria are normally classified as either 'good' bacteria or 'bad' bacteria. Viruses can infect good and bad types.
Thus, the answer is (H).
Assistant