The CDC advises everyone to get the pertussis vaccine to protect infants despite acknowledging facts that ought to at least be cause to question that policy.

I just scanned through the CDC’s FAQ page on the pertussis vaccine and an extraordinary illustration of cognitive dissonance leaped out at me.

Near the top of the FAQ, as a strategy to protect infants, the CDC says to “make sure everyone around the baby is up-to-date with their pertussis vaccines.” This “should reduce infection in babies”, the CDC claims.

Then, further down the page, the CDC states (emphasis added):

Many babies who get pertussis are infected by older siblings, parents or caregivers who might not know they have the disease. If pertussis is circulating in the community, there’s a chance that even a fully vaccinated person of any age can catch this very contagious disease. But if you’ve been vaccinated, your infection is usually less serious.

A little further down yet, the CDC acknowledges that “we can’t rely on herd immunity to protect people from pertussis” in part because “acellular pertussis vaccines may not prevent colonization (carrying the bacteria in your body without getting sick) or spread of the bacteria”.

So the greatest risk to infants is from family members who don’t know they are carriers of the disease, and vaccinated family members are more likely to be asymptomatic if they are infected.

On a related note, the CDC also admits that parents who choose not to vaccinate their children “are not the driving force behind the large scale outbreaks or epidemics” in recent years.


That’s not even the half of it. For more information, read my previous post, “The Ugly Untold Truth About the Pertussis Vaccine“.

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