Archive for November 9th, 2007

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Thimerosal-free vs. Preservative-free: Is there a Difference?

November 9, 2007

Did you know that if you eat fish or wear contacts (and use contact solution) then you are getting the same levels of mercury that you would with the majority of Flu Vaccine currently in use? Most people I talk to about the differences in vaccines don’t realize that. Right now, you may be asking this question: What is Thimerosal anyway? Thimerosal is a mercury-based preservative in a variety of vaccines and household items, like contact solution. There has been a lot of research over the years about the Thimerosal Preservative which is used in many vaccines. Debates and essays abound on the subject. Many people call us asking for the “Preservative Free Flu Shot” not knowing that they are asking for something other than that of which they seek. So, I’m here to tell you the difference!

The Thimerosal-free flu shot is 100% ‘clean’, meaning that it has absolutely no preservatives and therefore absolutely no thimerosal. This “thim-free” shot can be given to ages 6-35 months as a pediatric dose, and to 36 months and older as the adult dose. The pediatric dose currently costs $55.00, while the adult dose costs $75.00. The Intranasal Flu Vaccine (Flu Mist) is thimerosal-free as well and costs $40.00.

The Preservative-free flu shot has a very trace amount (< 1 microgram) of thimerosal, which falls below the FDA guidelines so that it can be called “preservative-free”. This shot can only be given to people over 18 years of age, but it’s the same price as the Standard Flu Shot ($25.00).

The Regular flu shot has approximately 25 micrograms of thimerosal, and can be given to anyone 6 months of age or older. The cost of this vaccine is also $25.00. Also, if you have a child ages 6 months to 9 years old and this will be their very first flu shot in their life, they would need a total of 2 doses, a month apart from each other. The first shot is a “primer” while the 2nd shot is actually what immunizes them. 

Please check out our website for our Flu Clinics and Hours: Passport Health Colorado Flu Clinic Page. Now for the stock levels in our offices:

Flu Mist – We have SOLD OUT of Flu Mist 3 weeks ago. We will not be able to receive any more this season, however next year feel free to contact us closer to the beginning of October and we will most likely have it in, ready and there should be no fight for it.

Thimerosal-free Shot - We have also SOLD OUT of all of our thim-free doses earlier this week. We will not be able to receive any more this season, however next year feel free to contact us closer to the beginning of October and we will most likely have it in, ready and there should be no fight for it.

Preservative-Free Shot – We have about 10 doses in each of our 4 offices at this time.

Regular Flu Shot – We have PLENTY!! Come on in during our walk-in clinics or call us to schedule an appointment: 303-442-8728 or 719-387-5528.