Biology · Human Diseases
Major pandemics or significant antigenic shifts in Influenza A virus typically occur at intervals of approximately how many years?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1100 to 150 years
- 22 to 3 years
- 310 to 40 years✓
- 41 to 2 years
Correct answer
10 to 40 years
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