How Whooping Cough Infection Spreads Through Highly Vaccinated Populations

Does the whooping cough vaccine protect individuals? How deadly is this disease? Does the whooping cough vaccine shed and spread the disease? They do not “shed” the way live virus vaccines shed. Vaccinated individuals are more likely to GET whooping cough than those who are unvaccinated. Those who get whooping cough have a 0.0047843% chance in dying from Whooping Cough. 

Whooping Cough Vaccine 'Shedding'

Pertussis is a bacteria, not a virus, and it is in acellular form which is why there's an "a" before the "P" in the name of the TDaP vaccine. It is chopped up bits of pertussis toxin (https://www.cdc.gov/mmwr/preview/mmwrhtml/00048610.htm) along with some other bacterial bits in the vaccine. The issue with DTaP and TDap is that they increase the risk of asymptomatic transmission because they tamp down symptoms but do not prevent the person from becoming infected with pertussis or from spreading it to others if they are exposed.

So although “scientists say people are protected from the disease if vaccinated” people vaccinated against pertussis can spread the disease to others.4 And this is precisely the point to bear in mind as you read about pertussis outbreaks. 

The outbreaks are not necessarily occurring because of the lack of so-called “herd immunity”—not enough people being vaccinated. They may well be occurring because of the vaccinated population itself.

These acellular pertussis vaccines are also what’s called partial coverage vaccines. They only cover one strain of bacteria that causes whooping cough: Bordatella Pertussis. Because they only cover B. Pertussis, and because they have only EVER covered B. Pertussis, and because the number of DTaP and TDap vaccines given has increased so much over the years, Bordatella Parapertussis (one of the other strains) has now become much more prevalent than it used to be.

Whooping Cough More of a Risk for the Vaccinated

B. Parapertussis is now causing a significant percentage of the cases of whooping cough.
And... laboratory studies with primates show that those who are recently vaccinated with DTaP or TDap not only have ZERO PROTECTION from B. Parapertussis... the vaccine actually INCREASES the colonization of B.Parapertussis in the throat of recently vaccinated individuals by 40-fold.

Recently vaccinated individuals can not only get sick with pertussis, they may not have symptoms, and they can spread the infection to others without knowing it - AND, if exposed to B. Parapertussis, they are far more likely to become sick with whooping cough, and to spread it to others, than individuals who have not received the vaccine.

This article explains in detail, with the peer-reviewed citations:
http://vaxtruth.org/2015/01/pertussis/

This video explains in further detail


Here is the CDC’s surveillance data from 2013-2018 on Whooping Cough. Focus on the bottom box it shows is the number of cases of Whooping cough in the vaccinated and unvaccinated. https://www.cdc.gov/pertussis/surv-reporting.html

Vaccinated More Likely to Get Whooping Cough 

The column marked “0” is the unvaccinated that reported whooping cough—- they have not received any doses of DTaP and still got whooping cough. The column marked 3+ doses means they were fully vaccinated per the schedule recommendations and still got whooping cough

So here is how is breaks down

2013
Vaccinated-3038
Unvaccinated-710

2014
Vaccinated-2950
Unvaccinated-556

2015
Vaccinated-2038
Unvaccinated-407

2016
Vaccinated-1808
Unvaccinated-339

2017
Vaccinated-1620
Unvaccinated-374

2018
Vaccinated-1318
Unvaccinated-330

Total cases 2013-2018

Vaccinated-12,772

Unvaccinated-2717

Now you say but whooping cough is DEADLY

Look at the column to the left “Reported Cases By Age” and look at the far right column “Reported Pertussis Deaths”

2013
28,639 total # of cases 13 deaths

2014
32,971 total # of cases 13 deaths

2015
20,762 total # of cases 6 deaths

2016
15,809 total # of cases 7 deaths

2017
15,808 total # of cases 13 deaths

2018
13,439 total # of cases 10 deaths

Total deaths 62/ total cases 129,591= 0.0047843

There is a 0.0047843% chance in dying from Whooping Cough

NUMBERS DON’T LIE THE UNVACCINATED DO NOT SPREAD DISEASE and the own CDC numbers show this! You are less likely to get pertussis and die being unvaccinated!!!

Now there are some limitations to this data: The bottom column that shows vaccinated vs unvaccinated only shows the age group 6 months to 6 years and as you can see we had total of 129,591 cases total in all age groups. The surveillance report has changed over the years. They actually highlighted the fully vaccinated box in red for several years and then stopped. In 2013 they would break down the deaths by age group and then in 2015 only stated deaths greater than 1 year old. They don’t find it valuable for the public to know exactly what age groups are dying.️

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