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A remarkable study reveals that a vaccinated individual not only can become infected with measles, but can spread it to others who are also vaccinated against it - doubly disproving two doses of MMR vaccine is "99% effective," as widely claimed.
One of the fundamental errors in thinking about measles vaccine effectiveness is that receipt of measles-mumps-rubella (MMR) vaccine equates to bona fide immunity against these pathogens. Indeed, it is commonly claimed that receiving two doses of the MMR vaccine is "99 percent effective in preventing measles,"1 despite a voluminous body of contradictory evidence from epidemiology and clinical experience.
This erroneous thinking has led the public, media and government alike to attribute the origin of measles outbreaks, such as the one recently reported at Disney, to the non-vaccinated, even though 18% of the measles cases occurred in those who had been vaccinated against it -- hardly the vaccine's claimed "99% effective." The vaccine's obvious fallibility is also indicated by the fact that that the CDC now requires two doses.
But the problems surrounding the failing MMR vaccine go much deeper. First, they carry profound health risks (over 25 of which we have indexed here: MMR vaccine dangers), including increased autism risk, which a senior CDC scientist confessed his agency covered up. Second, not only does the MMR vaccine fail to consistently confer immunity, but those who have been "immunized" with two doses of MMR vaccine can still transmit the infection to others -- a phenomena no one is reporting on in the rush to blame the non- or minimally-vaccinated for the outbreak.
MMR Vaccinated Can Still Spread Measles
Last year, a groundbreaking study published in the journal Clinical Infectious Diseases, whose authorship includes scientists working for the Bureau of Immunization, New York City Department of Health and Mental Hygiene, and the National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, looked at evidence from the 2011 New York measles outbreak that individuals with prior evidence of measles vaccination and vaccine immunity were both capable of being infected with measles and infecting others with it (secondary transmission).
This finding even aroused the attention of mainstream news reporting, such as this Sciencemag.org article from April 2014 titled "Measles Outbreak Traced to Fully Vaccinated Patient for First Time."
Titled, "Outbreak of Measles Among Persons With Prior Evidence of Immunity, New York City, 2011," the groundbreaking study acknowledged that, "Measles may occur in vaccinated individuals, but secondary transmission from such individuals has not been documented."
In order to find out if measles vaccine compliant individuals are capable of being infected and transmitting the infection to others, they evaluated suspected cases and contacts exposed during a 2011 measles outbreak in NYC. They focused on one patient who had received two doses of measles-containing vaccine and found that,