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This Is Exactly When You're More Likely to Catch the Flu

New research shows that flu outbreaks first appear after the first cold spell of winter, and once it takes hold, the flu season continues even after it warms up. While rhinoviruses, which cause the common cold, don’t seem affected by cold, other viruses such as respiratory synctytial and coronavirus follow flu’s cold-weather trigger, Health.com reports. With flu cases on the rise, the Centers for Disease Control and Prevention (CDC) is warning that this year’s flu season...