The problem with this is, however, that there only need to be a sufficient proportion of vaccine-deniers (10-15% of the population at risk) for the principle of herd-immunity to fail. Herd-immunity requires about 85-95% of the populaton to be immune/vaccinated to/against the commutable disease at question to prevent the disease from spreading (just by lowering the chances tremendously to find a susceptible individual). Thus, it protects the remaining part of the population that, for medical reasons (age, immune deficiency disorders) cannot be vaccinated. With a growing number of anti-vaccine movement members, diseases like measles or polio could have a quick comeback and affect members of our societies that could never have utilized vaccination in the first place. Promoting anti-vaccination is irresponsible and dangerous. Smallpox has been eradicated by vaccination completely by the WHO. Polio could have been eradicated a decade ago if not for superstitious country governments and individuals denying mass vaccination.
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Totally agree. The anti-vaccination movement is toxic.