Can a Flu Vaccine Last for Life?

Getting your flu shot every single year is a real pain in the arm.

Sure, it helps protect you and everyone around you. The Centers for Disease Control estimate that flu vaccines prevented 5.1 million cases of the disease during the 2015 to 2016 flu season alone. But few of us actually look forward to the hassle of taking time from work or school to get poked by needles. Wouldn’t it be great if we could figure out how to make one vaccine that gave us lifelong protection against every strain of flu? …

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