![]() ![]() ![]() On top of the potential Zostavax risks due to an under-attenuated virus in Merck’s injections, clinical evaluations have found that Zostavax vaccine recipients are often injected with levels far, far higher than the minimum amounts of PFUs. In fact, shingles is actually what happens when dormant VZV reactivates naturally in the human body, meaning it can lie dormant for decades. ![]() However, while Varivax contains a minimum of 1,350 plaque-forming units (PFUs), Zostavax contains a minimum of 19,400 PFUs.Īccording to findings of research published in the medical journal Nature Medicine six years before Zostavax was approved, researchers warned that if VZV is under-attenuated, meaning not weakened enough, it can reactivate later. Zostavax was developed with the use of a live varicella zoster virus (VZV), which is the same thing it uses in its chickenpox vaccine, Varivax. In addition to the normal side effects of shingles, which may result in painful rash and blisters, these outbreaks may result in a number of other symptoms, including: This may result in painful and debilitating cases of shingles. Camp Lejeune Water Contamination Lawsuit. ![]()
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