Quote:
Originally Posted by OneHungLo
it's not 97%. Vaccines are effective for 85% to 95% so an unvaccinated kid will increase the risk of disease for everyone that may be exposed.
Example:
"In a high school of 1,000 students, none has ever had measles. All but 5 of the students have had two doses of measles vaccine, and so are fully immunized. The entire student body is exposed to measles, and every susceptible student becomes infected. The 5 unvaccinated students will be infected, of course. But of the 995 who have been vaccinated, we would expect several not to respond to the vaccine. The efficacy rate for two doses of measles vaccine can be higher than 99%. In this class, 7 students do not respond, and they, too, become infected. Therefore 7 of 12, or about 58%, of the cases occur in students who have been fully vaccinated.
As you can see, this doesn?t prove the vaccine didn?t work ? only that most of the children in the class had been vaccinated, so those who were vaccinated and did not respond outnumbered those who had not been vaccinated. Looking at it another way, 100% of the children who had not been vaccinated got measles, compared with less than 1% of those who had been vaccinated. Measles vaccine protected most of the class; if nobody in the class had been vaccinated, there would probably have been 1,000 cases of measles.?
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The logic of this statement is sophist. The measles and mumps can be carried by a vaccinated child who does not get sick but can still infect others. Therefore, regardless of whether a child has been vaccinated or not those viruses can still be transmitted in that population and even if 100% were inoculated some will still contract the illness. Also, your logic assumes all un vaccinated children would contract it which is not necessarily true. It is a hypothetical assumption to the point you are making.
Yes, vaccinated children will stand a higher chance of resistance so please don't think I am trying to debate that. I am just saying exposure is still imminent regardless of whether a kid is vaccinated or not and the traditional method of quarantining a kid that comes down with mumps or measles has worked fine for many many years. Also, modern medicine has seriously reduced mortality from those illnesses regardless.