Some flu vaccines may work better than others — but guidance to the public is scant
Four companies offered a total of 12 different influenza vaccines this past year. But not all are created equal.
Last fall some people in the know about influenza science got picky when it came time to get their flu shots.
They didn’t want to roll up their sleeve for any old vaccine on offer at their doctor’s office or workplace clinic. They sought specific products, the ones licensed for older adults that contain a performance-boosting compound called an adjuvant or more notably one of the two brands of vaccine not made — as most flu vaccines are — in eggs.
“My colleagues who are over age 65, everybody wanted basically the Fluad or the Protein Sciences vaccine, Flublok,” said Dr. Michael Osterholm, director of the Center for Infectious Diseases Research and Policy at the University of Minnesota. (Fluad, made by Seqirus, contains an adjuvant;
