ST. LOUIS (KMOX) – This year’s flu season is getting closer and a push for the influenza vaccine is underway.

There is a new flu vaccine available which provides protection against four strains of the virus, instead of the traditional three strains.

But Dr. Sharon Frey with Saint Louis University’s Center for Vaccine Development says it won’t be available at all vaccine sites.

“The four-strain vaccine is new as of last year and, again, this year we now have two companies making it,” she explains. “They’re not able to produce as much of the vaccine as they are with the three-strain so there will be limited amounts of the four-strain vaccine.”

The four-strain, or quadrivalent, vaccine will protect against two Type-A strains, H1N1 and H3N2, along with two Type-B strains.

Frey advises to call and ask your physician if he or she has the quadrivalent vaccine available.

Everyone who takes the nasal spray vaccine will receive the four-strain version but it will be another three years before it is available everywhere.


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