A University of Michigan influenza expert is beginning a three-year direct comparison of the effectiveness of flu shots versus nasal spray flu vaccine.
Flu shots have been around since World War II, and the Centers for Disease Control and Prevention has long recommended shots as a way to prevent influenza in the elderly. The approval of a new nasal spray vaccine begs the question whether those looking to stave off the flu should stick with the tried and true injection or switch to the nasal spray.
"We really don’t know whether one is superior to the other in adults," said Arnold Monto, professor of epidemiology at the U-M School of Public Health and a life-long researcher on cold and flu. "We want to be able to say whether there is an advantage in protection."
Colleen Newvine | EurekAlert!
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19.01.2017 | Physics and Astronomy