Esposito 2019: Pertussis prevention: Reasons for resurgence, and differences in the current acellular pertussis vaccines

Esposito, Stefanelli, Fry, Fedele … Principi, for the World Assn of Infectious Diseases and Immunological Disorders and the Vaccine Study Group of the European Society of Clinical Microbiology and Infectious Diseases

CONCLUSIONS of these world experts:

  • The vaccines in use “cannot avoid infection and transmission.”
  • Pertussis vaccines “do not prevent colonization.  Consequently, they do not reduce the circulation of B Pertussis and do not exert any herd immunity effect.”

NOTE:  The vaccine may provide some personal protection against symptoms, but it makes you an asymptomatic spreader.

NOTE:  How much personal protection do you get?  According to two studies reported on the CDC website,  the vaccine was 73% and 68.8% effective at reducing symptoms within one year of vaccination, but after 2 to 4 years, the post-vaccination effectiveness decreased to 34% and then after 4 years, it decreased to 8.9%.

NOTE:  Today Pertussis can be treated with the antibiotic Azithromycin (the z-pak)

Below is a 3-minute video re the  TDaP vaccine for Pertussis.

MedLine || Full Text

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