Ask Well: How Long Does a Flu Shot Last?
A flu shot's ability to last depends on how powerfully an immune system reacts to it, experts say.
Source: http://well.blogs.nytimes.com/2014/01/17/ask-well-how-long-does-a-flu-shot-last/?partner=rss&emc=rss
Ask Well: How Long Does a Flu Shot Last?
A flu shot's ability to last depends on how powerfully an immune system reacts to it, experts say.
Source: http://well.blogs.nytimes.com/2014/01/17/ask-well-how-long-does-a-flu-shot-last/?partner=rss&emc=rss
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