And the evidence that most vaccines are ineffective and dangerous continues to be exposed:
Whooping Cough ‘Invades’ the Vaccinated
By Catherine J. Frompovich
Herd immunity! Where have I heard that idiomatic, epidemiologic term before? Oh yes! It’s the U.S. CDC and FDA’s Raison de’ Être for vaccines. Recent demographics for pertussis, or whooping cough, coming out of Washington state prove that herd immunity is nothing short of bunko science, and that Big Pharma’s vaccines really don’t work, or medically speaking, aren’t efficacious.
According to the Seattle Times article, “As whooping cough grows, study finds vaccines wane”
An analysis of Washington state’s 2012 pertussis epidemic, the worst since 1942, found that the vaccine to prevent the disease waned sharply and quickly in teens who were fully inoculated.  [A very damning observation, I’d say.]
Especially since Washington state vaccination statistics reveal,
In our state, 84 percent of toddlers got all four doses compared to 83 percent at the national level. Whooping cough can be life-threatening for young babies. While reported whooping cough cases in Washington are much lower than the epidemic levels in 2012, the disease is always present at some level.
Very few kids are completely unvaccinated. 
Furthermore, according to Harvard-trained immunologist Tetyana Obukhanych, PhD:
The acellular pertussis (aP) vaccine (the final element of the DTaP combined vaccine), now in use in the USA, replaced the whole cell pertussis vaccine in the late 1990s, which was followed by an unprecedented resurgence of whooping cough. An experiment with deliberate pertussis infection in primates revealed that the aP vaccine is not capable of preventing colonization and transmission of B. pertussis (see appendix for the scientific study, Item #2). The FDA has issued a warning regarding this crucial finding.
One has to wonder, and ask, what’s happening. I offer my opinionated opinion.
1. Vaccines are emasculating [weakening, enfeebling, undermining, enervating, reducing] the human immune system. Why? Too many vaccines are given to children, especially when the human immune system is not functioning fully or at 100 percent, i.e., as early as 24 hours old, 2-4-6 months old, thereby turning off the immune system’s ability to deal with bio-organisms introduced either by vaccines or by natural acquisition from communal infections.
2. There are several strains of pertussis, and “Some Whooping Cough Strains Now Outsmarting Vaccine.” That is something that will continue to happen and, I contend, there will be no vaccine ever that will fully protect against any infectious disease, since infectious organisms adapt and morph to deal with pharmaceutical vaccines. Antibiotic-resistant MRSA and other resistant diseases document that genetic fact for organisms. Vaccinology, metaphorically, is chasing a rabbit down a never-ending rat hole, but can’t seem to figure that out yet.
3. Since so many vaccines are being given at extremely early ages, especially trivalent vaccines that include pertussis, the vaccine pertussis bacterium is doing the same thing that other microorganisms have done with regard to all the antibiotics humans have been fed in food or taken irresponsibly, i.e., become antibiotic resistant; the pertussis strain probably has become vaccine-resistant. I contend that all infectious children’s disease vaccine organisms (antigens) now are morphing into organisms that either will resist vaccines, or also do something else: shed, or slough off, vaccine-disease organisms from freshly vaccinated vaccinees to others, thereby causing disease outbreaks from the hysteria about more and more vaccinations.
4. Vaccines do not support the human immune system, I offer. They produce what’s called antibody antigens and responses, which are “the third and final line of defence [sic] in the immune response.” 
The first line of defense is the innate immune system… (emphasis added)
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This article speaks for itself!