From Dr. Mercola:

When making the choice to receive a vaccination, for yourself or your child, you probably do so under the assumption that the vaccine is going to protect you from that particular disease.

Most do not even question this assumption, because they think, well, why would the medical establishment give out, and U.S. health officials promote, vaccines that don’t work?

This is, however, a question deserving of an answer, especially in light of increasing evidence that some vaccines do not work as intended or advertised.

This is particularly the case with the whooping cough (pertussis) vaccine, which is typically given to children as part of the DTaP (diphtheria, tetanus, and acellular pertussis) shot.

Up to Half of Vaccinated Preschoolers Were Infected With Whooping Cough

The U.S. Centers for Disease Control and Prevention (CDC) recently featured an article in Emerging Infectious Diseases that highlighted the transmission of whooping cough among vaccinated children.1

The outbreak occurred at a Tallahassee, Florida preschool in 2013. Twenty-six students between the ages of 1 and 5 contracted whooping cough, as did two staff and 11 family members. The majority of the students were fully vaccinated against whooping cough according to the CDC’s recommended schedule.

In one particular classroom in which all students had received the pertussis vaccine, 50 percent still developed whopping cough. Cases of whooping cough have been on the rise, increasing six-fold from 2000 to 2012. Some believe the increase may be due to vaccine failure.

In fact, the highest rates of infection in the preschool outbreak occurred in the 3-year-old age group, which supports the notion of waning immunity.

The DTaP vaccine is typically given at 2, 4, and 6 months of age, again between 15 and 18 months, and a booster is recommended between ages 4 and 6.2 The authors noted:3

This outbreak raises concerns about vaccine effectiveness in this preschool age group and reinforces the idea that recent pertussis vaccination should not dissuade physicians from diagnosing, testing or treating persons with compatible illness for pertussis.

Reports of genetic changes in circulating B. pertussis have raised concern that this organism could be adapting to vaccine-induced immunity

Given these reports and the increased levels of circulation of pertussis among older age groups with documented waning of immunity, further monitoring of acellular pertussis vaccine performance in preschool-age children is necessary to determine if this outbreak was an isolated finding or possibly identification of an emerging epidemiologic trend.”

California Whooping Cough Outbreak Also Occurred Among a Highly Vaccinated Community

In 2014, a whooping cough outbreak spread through Elk Grove, California, a community in which all but 80 of the suburb’s 4,500 kindergartners were vaccinated. Even still, the county had rates of whooping cough that were up to five times higher than surrounding areas.4

Health officials in the area expressed concern that the vaccine is not protecting children as it should be and suggested its protection lasts only two to three years.

Dr. Dean Blumberg, chief of

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