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T HE INFLUENZA A (H1N1) pdm09 virus, or “swine flu,” is a novel strain that circled the globe in 2009 and resulted in approximately 575,400 deaths.1 Emerging in Mexico, it made its way to the US and became headline news within weeks. The 2019 calendar year marked the pandemic’s 10th anniversary. As healthcare professionals, we should reflect on what we learned from the 2009 influenza pandemic and consider how this experience affects planning for future outbreaks of novel influenza strains. This article discusses the evolution of the 2009 swine flu pandemic, surveillance trends over the past decade, and the current state of preparedness for future pandemics.