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US measles cases just climbed to over 1,500, with surges in three states
(www.independent.co.uk)
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Incorrect. The vaccine doesn't work on everyone, just almost everyone. Plus, a huge number of people believe that they're immune when they're not [see below]. Combine that with the fact that you can spread measles up to four days before any symptoms show, and that in a naive population, each person with measles will infect 14 other people, and one infection can escalate rapidly.
[Below]:
If you were born before 1957, you are presumed immune because measles was so prevalent.
If you were vaccinated before 1967, you should get a booster shot (the original vaccine wasn't as effective as the later vaccine).
If you were vaccinated between 1967 and 1989, you should consider a booster shot (they thought you only needed one shot for full efficacy, but you really need two).
If you were fully vaccinated after 1989, you are believed immune.
ok, i stand corrected.
so send us some links explaining this recent explosion of measles then, that doesn't involve antivaxxers
As I said, the vaccine doesn't work for everyone. Even the CDC notes
Meaning that, even in the best case, 3% of the population is vulnerable. Add in the vast number of 1957-1989 adults who have not gotten a booster, and you easily fall below the 95% threshold to needed to keep measles in check.
I think this is a good call out to either get your immunity tested or just get the booster. I have a good primary doctor who routinely gets her new adult patients tested for immunity to the common diseases vaccinated against in childhood, and I tested negative for measles. I would've had no idea that I lost immunity and needed a booster otherwise.
The point is, the more people vaccinated, the less we have to worry about the 3%. And even for the 3%, the disease is attenuated.