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Editor: Bijal Trivedi

If you have comments or questions not related to the current discussions, please direct them to olib@od.nih.gov

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How Influenza Pandemics Occur

Credit: National Institute of Allergy and Infectious Diseases, NIH

Flu season is upon us! Check out this NIH video to see how these pandemics emerge and spread new flu viruses around the globe.

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