As we enter the peak of cold and flu season, staying updated on recommended vaccinations has never been more critical. This year, flu shots and the latest COVID-19 boosters are top of mind – but what should we know about each? We spoke with Vin Gupta, MD, chief medical officer at Amazon, medical correspondent, and practicing pulmonologist, about the best timing to receive these vaccines, how long to wait if you’ve recently had an infection, common side effects to expect, and realistic insights into what vaccines can and cannot do to protect our health this season. Whether you’re weighing a vaccine for yourself or a loved one, here’s what you need to know about maximizing protection.