Seasonal flu shot better than nasal spray for adults, study finds
Wednesday, September 23, 2009 - 18:14
in Health & Medicine
The University of Michigan doctor who led the report says it's unclear whether the findings also apply to the swine flu virus. Injectable vaccines containing inactivated viruses prevent about 50% more seasonal flu in healthy adults than the intranasal vaccine containing a weakened virus, according to a report published online Wednesday in the New England Journal of Medicine.