Does the Flu Provide Better Immunity Than a Flu Shot?

Studies also show that even when the antibody response wanes, immunity from a natural infection tends to last longer than that from a vaccine. A 2011 study in PLoS One, for example, found that just over half of patients infected with the 2009 H1N1 flu still had an antibody response after six months, while only about a third of vaccinated subjects did. To read more from KEVIN MCCARTHY, click here.