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Originally Posted by TheDoc
It's not uncommon. When your kids have them, the Doctors going to tell you to keep an eye on them. They may react, and give you a list of shit to watch out for.
It's that common...
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Serious (ie life-threatening) adverse side effects actually are that uncommon. That doesn't mean you shouldn't watch out for them, though. It's like the documents they give you with medication. Those often also reference side effects that only have a 1:100000 chance of occurring.
Quote:
Originally Posted by TheDoc
The problem is... More than plenty of Americans have never taken them, and they don't have small pox or any other problems. And plenty of illegal immigrants, prob all what, 40-50 million of them, that could bring all types of problems here, mix them with each other and other non vaccinated people... but oddly enough, it doesn't happen.
Everyone knows we need some vaccines.. that isn't the argument. I still say it's a persons choice of force though, which it is currently in our Country.
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Of course they don't have smallpox. It's been eradicated. Through vaccination.
As for many of the other diseases, the reason you don't see huge epidemics of those right now is that most people do get vaccinated. That brings the mathematics of epidemics into play: herd immunity doesn't require everyone to be immune, just a certain % of the population. If you reach that %, it becomes impossible for those diseases to spread.
Right now, for many of the diseases that get vaccinated against, there's still effective herd immunity in most western countries. With every person who refuses to vaccinate their children, though, the immunization threshold comes closer. And even if there's effective herd immunity, there can still be localized outbreaks among groups of people who don't have vaccinations. Which is why, for example, occurrence of paralysis due to polio is far higher among certain religious groups than it is among the general population.