They aren’t perfect though, which is why “the National Vaccine Injury Compensation Program (VICP) may provide financial compensation to individuals who file a petition and are found to have been injured by a VICP-covered vaccine.”
“Vaccines are extremely safe and harm is rare. World-wide, more than 30,000 vaccine doses are delivered per second through routine immunization programs, which,in turn, prevent an estimated 2 million to 3 million deaths annually. The occurrence of serious adverse events, such as those that result in death, threaten life, require inpatient hospitalization, or result in significant disability, are rare (eg, <1 adverse event occurs per 10 million doses for tetanus toxoid vaccines, 1-2 adverse events per 1 million doses for inactivated influenza vaccine, and none for hepatitis A).”
Halabi et al on A Global Vaccine Injury Compensation System
“The most important justification, however, is an ethical argument from justice and equity: introduction of a vaccine injury compensation scheme acknowledges the unique situation that routine childhood immunization is a public health measure, given and accepted in good faith, that may occasionally damage the recipient.”
David Isaacs on Should Australia introduce a vaccine injury compensation scheme?
People shouldn’t have to fight for compensation for the rare circumstance for when a true vaccine injury does occur.
More on International Vaccine Injury Compensation Programs
What’s the Difference Between the MMR and MMR-II Vaccines?
And while the vaccine worked, it didn’t work as well and caused more side effects than a RA27/3 rubella vaccine that was already approved in Europe
“Over the next decade, accumulating evidence led to changes in the United States. First, the duck embryo and dog kidney vaccine strains caused significant joint reactions [24–27]. Second, reinfection on exposure to wild rubella virus was demonstrated frequently with all strains except the RA 27/3 vaccine [28–30]. Third, the good safety record of the RA 27/3 vaccine in Europe, plus the majority opinion of scientists, led the US Food and Drug Administration to license RA 27/3. Important pressure for this decision came from Dorothy Horstmann at Yale, who was convinced by her comparative studies of rubella vaccines , and by Maurice Hilleman at Merck, who sought a better rubella strain for measles-mumps-rubella (MMR) vaccine.”
Stanley Plotkin on The History of Rubella and Rubella Vaccination Leading to Elimination
So that’s it, they just changed out the rubella component for one that was safer and worked better.
But did they compare the vaccines against a saline placebo?
“The inclusion of a seropositive control group allowed the rates of reaction to be viewed against the background symptoms unrelated to vaccine administration.”
Polk et al on A controlled comparison of joint reactions among women receiving one of two rubella vaccines.
They actually went a little further, in a double-blind, controlled cohort study comparing it to folks who didn’t receive any vaccine at the time of the study!
Why so many joint issues with the vaccine?
The studies were in adults, who seemed to have more side effects with the vaccine. Still, the side effects, including arthritis, were transient.
What about the idea that it was studied long enough before being approved?
Both the rubella component and the MMR-II vaccine were studied both before and after being approved. In fact, the MMR-II vaccine is probably the most studied vaccine in history!
Believe it or not, they include placebo-controlled trials.
What was the placebo in the Finland twin trial?
“The injections consisted of 0.5 ml of vaccine 2-5 or placebo (the same product including neomycin and phenol-red indicator but without the viral antigens) and were administered subcutaneously by the nurse to the left deltoid or gluteal region.”
Peltola et al on Frequency of true adverse reactions to measles-mumps-rubella vaccine. A double-blind placebo-controlled trial in twins.
If that doesn’t sound like a placebo to you, keep in mind that the MMR vaccine doesn’t contain that many ingredients. Remember, MMR doesn’t contain aluminum or thimerosal. And if the placebo didn’t contain the antigens, then it likely didn’t contain all of the things that went into getting those antigens in the vaccine, such as cell cultures and albumin, etc.
Still, some folks aren’t going to be satisfied unless there is a study with a saline placebo.
“The four other vaccines were commercial products of Merck Sharp & Dohme. The placebo consisted of vaccine diluent.”
Lerman et al on Clinical and Serologic Evaluation of Measles, Mumps, and Rubella (HPV-77: DE-5 and RA 27/3) Virus Vaccines, Singly and in Combination
Would you be concerned to know that the FDA is investigating how to make sure vaccines aren’t contaminated with retroviruses?
“Therefore, to ensure the safety of vaccines, our laboratory is investigating ways to activate latent viruses in cell lines and to detect the activated viruses, as well as other unknown viruses, using new technologies. We will then adapt our findings to detect viruses in the same types of cell substrates that are used to produce vaccines. We are also trying to identify specific biological processes that reflect virus activity.”
Investigating Viruses in Cells Used to Make Vaccines; and Evaluating the Potential Threat Posed by Transmission of Viruses to Humans
Or like most folks, would it reassure you that they are continuing to work to make sure that our vaccines are safe.
Are Vaccines Contaminated with Retroviruses?
Vaccines are not contaminated with infectious retroviruses.
“Vaccines effectively reduce and prevent death and disease from many viral infections. However, vaccine production occasionally has been complicated by inadvertent contamination with adventitious agents that may have originated from cell substrates used to propagate vaccine strains.”
Hussain et al on Lack of Evidence of Endogenous Avian Leukosis Virus and Endogenous Avian Retrovirus Transmission to Measles Mumps Rubella Vaccine Recipients
The issue first came up back in 1995 when it was discovered that MMR vaccines contained reverse transcriptase proteins. Researchers later found endogenous avian leukosis virus (ALV) and endogenous avian retrovirus (EAV) in those vaccines. Fortunately, they were not infectious and did not actually cause infections in any of the folks who got the vaccines.
Why were they there?
“Virtually all vertebrates studied, including humans, carry endogenous retroviral genomes as part of their natural genetic constitution.”
Adventitious Viral Genomes in Vaccines but Not in Vaccinees
The MMR vaccine is grown in chick embryo tissue culture. Partial or complete genomes of these viruses can be present in chicken DNA. In fact, all chickens contain endogenous avian retroviral genome (EAV), and although that means they can release viral particles, they are noninfectious, so can’t make you sick.
Why weren’t they detected when the vaccines were first developed and approved?
The technology wasn’t available at the time.
“The absence of an infectious retrovirus in the MVVE material used in this study and in the CEF supernatant used in the previous study (which contained levels of RT activity similar to those of MVVE, based upon comparison with the positive control AMV RT dilution series) provides confidence regarding the safety of the earlier MV vaccines used in humans. The results of this study further demonstrate the absence of a known public health safety concern related to the presence of RT activity in chick-cell-derived vaccines and support World Health Organization recommendations for the continued use of chick-cell-derived vaccines in humans.”
Shahabuddin et al on No Evidence of Infectious Retroviruses in Measles Virus Vaccines Produced in Chicken Embryo Cell Cultures
And once the technology was available, these retroviruses were thoroughly investigated and found to not be a safety hazard. That’s not surprising though, as no problems were previously detected by our vaccine safety systems.
Although we may not always know what causes it, Bell’s Palsy is fairly easy to diagnose.
“Bell’s palsy is a nerve problem that affects the muscles of your face. It causes weakness or partial paralysis of the muscles on one side of your face. With Bell’s palsy, your eyelid may not close properly and your smile may seem uneven.”
What Is Bell’s Palsy?
So what causes it?
“Bell’s palsy occurs when the nerve that controls the facial muscles is swollen, inflamed, or compressed, resulting in facial weakness or paralysis. Exactly what causes this damage, however, is unknown.”
Bell’s Palsy Fact Sheet
Most experts think that Bell’s Palsy is caused by a viral infection, which leads to swelling and inflammation of the facial nerve. That’s likely why steroids and antiviral medications, like acyclovir, are often helpful treatments.
“The prognosis for individuals with Bell’s palsy is generally very good. The extent of nerve damage determines the extent of recovery. Improvement is gradual and recovery times vary. With or without treatment, most individuals begin to get better within 2 weeks after the initial onset of symptoms and most recover completely, returning to normal function within 3 to 6 months.”
Bell’s Palsy Fact Sheet
Fortunately, most people with Bell’s Palsy, which mainly affects adults, get better.
Do Vaccines Cause Bell’s Palsy?
Bell’s Palsy was first described by Sir Charles Bell in 1821.
There are reported cases before that though, with the earliest by Cornelis Stalpart van der Wiel (1620-1702) from The Hague, The Netherlands in 1683.
That’s not to say that vaccines couldn’t cause Bell’s Palsy.
One vaccine, an inactivated intranasal influenza vaccine that was only used in Switzerland during the 2000-01 flu season, was associated with an increased risk of Bell’s Palsy.
Why? It was likely because of the enzymatically active Escherichia coli Heat Labile Toxin (LT) adjuvant that was used in the vaccine, which is not something you find in any of the vaccines we now use.
While you might find an occasional case report about a vaccine and Bell’s Palsy, remember that a case report published about one patient isn’t strong evidence that it wasn’t a coincidence.
It should be reassuring to everyone that plenty of studies have been done confirming that other vaccines we use do not cause Bell’s Palsy. And even in the case of that flu vaccine, the association was quickly discovered and the vaccine was discontinued.