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Harvard Immunologist: Unvaccinated Children Pose Zero Risk

• https://www.lewrockwell.com

Dear Legislator:

My name is Tetyana Obukhanych.  I hold a Ph.D. in Immunology.  I am writing this letter in the hope that it will correct several common misperceptions about vaccines in order to help you formulate a fair and balanced understanding that is supported by accepted vaccine theory and new scientific findings.

Do unvaccinated children pose a higher threat to the public than the vaccinated?

It is often stated that those who choose not to vaccinate their children for reasons of conscience endanger the rest of the public, and this is the rationale behind most of the legislation to end vaccine exemptions currently being considered by federal and state legislators country-wide.  You should be aware that the nature of protection afforded by many modern vaccines – and that includes most of the vaccines recommended by the CDC for children – is not consistent with such a statement.  I have outlined below the recommended vaccines that cannot prevent transmission of disease either because they are not designed to prevent the transmission of infection (rather, they are intended to prevent disease symptoms), or because they are for non-communicable diseases.  People who have not received the vaccines mentioned below pose no higher threat to the general public than those who have, implying that discrimination against non-immunized children in a public school setting may not be warranted.

IPV (inactivated poliovirus vaccine) cannot prevent transmission of poliovirus. Wild poliovirus has been non-existent in the USA for at least two decades. Even if wild poliovirus were to be re-imported by travel, vaccinating for polio with IPV cannot affect the safety of public spaces.  Please note that wild poliovirus eradication is attributed to the use of a different vaccine, OPV or oral poliovirus vaccine.  Despite being capable of preventing wild poliovirus transmission, use of OPV was phased out long ago in the USA and replaced with IPV due to safety concerns.

Tetanus is not a contagious disease, but rather acquired from deep-puncture wounds contaminated with C. tetani spores. Vaccinating for tetanus (via the DTaP combination vaccine) cannot alter the safety of public spaces; it is intended to render personal protection only.

While intended to prevent the disease-causing effects of the diphtheria toxin, the diphtheria toxoid vaccine (also contained in the DTaP vaccine) is not designed to prevent colonization and transmission of C. diphtheriae. Vaccinating for diphtheria cannot alter the safety of public spaces; it is likewise intended for personal protection only.

The acellular pertussis (aP) vaccine (the final element of the DTaP combined vaccine), now in use in the USA, replaced the whole cell pertussis vaccine in the late 1990s, which was followed by an unprecedented resurgence of whooping cough. An experiment with deliberate pertussis infection in primates revealed that the aP vaccine is not capable of preventing colonization and transmission of B. pertussis. The FDA has issued a warning regarding this crucial finding.Furthermore, the 2013 meeting of the Board of Scientific Counselors at the CDC revealed additional alarming data that pertussis variants (PRN-negative strains) currently circulating in the USA acquired a selective advantage to infect those who are up-to-date for their DTaP boosters, meaning that people who are up-to-date are more likely to be infected, and thus contagious, than people who are not vaccinated.

Among numerous types of H. influenzae, the Hib vaccine covers only type b. Despite its sole intention to reduce symptomatic and asymptomatic (disease-less) Hib carriage, the introduction of the Hib vaccine has inadvertently shifted strain dominance towards other types of H. influenzae (types a through f).These types have been causing invasive disease of high severity and increasing incidence in adults in the era of Hib vaccination of children.  The general population is more vulnerable to the invasive disease now than it was prior to the start of the Hib vaccination campaign.  Discriminating against children who are not vaccinated for Hib does not make any scientific sense in the era of non-type b H. influenzae disease.

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