What exactly is the difference between Zostavax and Varivax? According to the package insert from Merck both contain the Oka/Merck strain of live, attenuated varicella virus. Although in the Varivax insert it states the following:
Whereas in the Zostavax insert only this:
The non-active ingredients are a bit different but the active ingredient is the same. Is this correct? So Zostavax is simply a booster shot for the 60+ generation. But why not just adminster Varivax? Why are there 2 vaccines? And why put these (residual components of MRC-5 cellsincluding DNA and protein; and trace quantities of neomycin and bovine calf serum.) in the elderly version?
Plus apparently there is no real consensus yet whether the chicken pox vaccine prevents shingles or not.
I have to agree with the mercola article. Just love it
Sorry for the long post. Just trying to better understand some processes plus had an argument with DH who by the way suffered from shingles after receiving the chicken pox vaccine.