From ... in Discover Health Psychology — Jan 15, 2020

Scientists Share Facts About Vaccines At World Health Organization Conference For Vaccine Safety

Many scientists presented facts about vaccines and vaccine safety at the recent Global Health Vaccine Safety summit hosted by the World Health Organization in Geneva, Switzerland.

Why are so many people fighting against each other? Why are there "pro-vax" and "anti-vax" groups? Are these terms not useless? Do they prevent us from having discussions that need to be had and moving forward appropriately? According to organizations like the American Medical Association as well as the World Health Organization, vaccine hesitancy among people, parents, and, as mentioned by scientists at the World Health Organization’s recent Global Vaccine Safety Summit, health professionals and scientists continues to increase. This is no secret, as vaccines have become a very popular topic over the past few years alone. In fact, the World Health Organization has listed vaccine hesitancy as one of the biggest threats to global health security.

The issue of vaccine hesitancy is no secret, for example, one study (of many) published in the journal EbioMedicine outlines this point, stating in the introduction: Over the past two decades several vaccine controversies have emerged in various countries, including France, inducing worries about severe adverse effects and eroding confidence in health authorities, experts, and science (Larson et al., 2011).

These two dimensions are at the core of the vaccine hesitancy (VH) observed in the general population. VH is defined as delay in acceptance of vaccination, or refusal, or even acceptance with doubts about its safety and benefits, with all these behaviors and attitudes varying according to context, vaccine, and personal profile, despite the availability of vaccine services (Group, 2014,Larson et al., 2014, Dubé et al., 2013). VH presents a challenge to physicians who must address their patients’ concerns about vaccines and ensure satisfactory vaccination coverage. At the conference, this fact was emphasized by Professor Heidi Larson, a Professor of Anthropology and the Risk and Decision Scientist Director at the Vaccine Confidence Project. She is referenced, as you can see, by the authors in the study above. At the conference, she emphasized that safety concerns among people and health professionals seem to be the biggest issue regarding vaccine hesitancy. She also stated, The other thing that’s a trend, and an issue, is not just confidence in providers but confidence of health care providers, we have a very wobbly health professional frontline that is starting to question vaccines and the safety of vaccines. That’s a huge problem, because to this day any study I’ve seen... still, the most trusted person on any study I’ve seen globally is the health care provider, and if we lose that, we’re in trouble. She also brought up her belief that safety studies are incomplete, and that to continue to refer people to the same old science on safety is not adequately addressing their new concerns because better studies need to be done. Furthermore, she recommended that doctors and professionals forego name-calling with ‘hostile language’ such as “anti-vax”. She recommended encouraging people to ask questions about vaccine safety. After all, it makes sense–in order to make our vaccines safer and more effective, you would think everybody would be on board with constant questioning and examination. After all, that’s just good science, and it’s in everyone’s best interest. Another interesting point that caught my attention was brought up by Dr. Martin Howell Friede, Coordinator of Initiative For Vaccine Research at the World Health Organization. He brought up the topic of vaccine adjuvants like thimerosal or aluminum, for example. In certain vaccines, without these adjuvants the vaccine simply doesn’t work. Dr. Friede mentioned that there are clinical studies that blame adjuvants for adverse events seen as a result of administering vaccines, and how people in general often blame adverse reactions to vaccines being the result of the vaccine adjuvant. He mentioned aluminum specifically. He showed concern given the fact that “without adjuvants, we are not going to have the next generation of vaccines.” He also stated that, When we add an adjuvant, it’s because it is essential. We do not add adjuvants to vaccines because we want to do so, but when we add them it adds to the complexity. And I give courses every year on ‘how do you develop vaccines’ and ‘how do you make vaccines’ and the first lesson is, while you are making your vaccine, if you can avoid using an adjuvant, please do so. Lesson two is, if you’re going to use an adjuvant, use one that has a history of safety, and lesson three is, if you’re not going to do that, think very carefully. Furthermore, he criticized the assumption that if an adjuvant like aluminum appears to be safe for one vaccine, that it should be presumed to be safe for other vaccines. Dr. Friede said that current safety surveillance is quite effective at determining immediate effects (such as immediate injury to the arm at the injection site), but not as effective in identifying “systemic” long term adverse events. When I heard him mention lesson two, that “if you’re going to use an adjuvant, use one that has a history of safety,” it instantly reminded me of aluminum because it’s an adjuvant used in multiple vaccines like the HPV vaccine, for example, but has no history of safety. A study published as far back as 2011 in Current Medical Chemistry makes this quite clear, emphasizing that, Aluminum is an experimentally demonstrated neurotoxin and the most commonly used vaccine adjuvant. Despite almost 90 years of widespread use of aluminum adjuvants, medical science’s understanding about their mechanisms of action is still remarkably poor.

There is also a concerning scarcity of data on toxicology and pharmacokinetics of these compounds. In spite of this, the notion that aluminum in vaccines is safe appears to be widely accepted. Experimental research, however, clearly shows that aluminum adjuvants have a potential to induce serious immunological disorders in humans. (source) The key sentence here is that “their mechanisms of action is still remarkably poor.” Based on what Dr. Friede said at the conference, it really makes you think. A study published in BMC Med in 2015 found that “Evidence that aluminum-coated particles phagocytozed in the injected muscle and its draining lymph nodes can disseminate within phagocytes throughout the body and slowly accumulate in the brain further suggests that alum safety should be evaluated in the long term.” This brings me to another point made at the conference by many scientists in attendance, which was that according to some of them, vaccines seem to lack the appropriate safety testing. This is another big reason why people are so confused and have voiced their concerns about safety, as mentioned above by Professor Larson. Marion Gruber, PhD and Director of the FDA Office of Vaccines Research and Review, questioned the scope of vaccine safety surveillance and monitoring during pre-licensing vaccine trials as well during the conference. One source of confusion might be that ‘high-ranking’ health authorities sometimes making conflicting statements. For example, Soumya Swaminathan, MD and Chief Scientist at the World Health Organization, stated at the conference, I don’t think we can overemphasize the fact that we really don’t have very good safety monitoring systems in many countries and this adds to the miscommunication and the misapprehensions because we’re not able to give clear cut answers when people ask questions about deaths that have occurred due to particular vaccines... One should be able to give a very factual account of what exactly is happening, what the cause of deaths are, but in most cases there’s some obfuscation at that level and therefore there’s less and less trust then in the system. Prior to this statement, in a promotional video released just days before the conference began, she stated that “we have vaccine safety systems, robust vaccine safety systems.” She completely contradicted herself. If you’d like access to the entire conference, you can do so at the World Health Organization’s website.

The scientific community should never stop questioning, especially when it comes to medication. Based on the information that’s come out at this conference, it’s quite clear that there is a lot of room for improvement when it comes to the development of vaccines and vaccine safety overall. Discussion is always encouraging, as long as it’s peaceful and facts are presented like they were at this conference. It’s better to understand the reasons why a lot of people are hesitant about vaccination and appropriately respond, instead of simply using ridicule and hatred because that’s never effective and both parties cannot move forward that way. At the end of the day, scientists should never cease to question. Discover how Conscious Breathing can improve your life in just 10 days through our guided conscious breathing challenge! Get access to daily videos, guided meditations, and community support to master conscious breathing basics. Release stress, activate heart coherence, improve digestion, sleep better and more! Sign Up For The Chall.

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Scientists Share Facts About Vaccines At World Health Organization Conference For Vaccine Safety

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