Promising Flu Vaccine Turned Out To Be A Big Disappointment, Showing 'No Significant Protection' Against Strain - Kaiser Health News

Promising Flu Vaccine Turned Out To Be A Big Disappointment, Showing 'No Significant Protection' Against Strain  Kaiser Health News

Flu vaccines are made each year to protect against three or four different kinds of flu virus, and this season's shot turned out to be a mismatch against the bug ...