boutell: (shave)
Vaccines are not 100% effective. But if everyone gets them then the odds of the disease propagating go down. Eventually to the point where a case of measles can't replace itself, on average, with more than one case of measles and the disease is no longer epidemic.

Stick to your guns long enough, as we did with smallpox, and the disease may become extinct - no more dead children from that cause, ever again ever. This is good.

But if enough people become overconfident and stop immunizing their kids, that ratio of new cases to old cases creeps above 1.0 again, and the disease starts to spread and may become epidemic once more. This is bad.

The good news is that the measles vaccine is highly effective after the second dose. The bad news is that the second dose is given at age four. The dose at age one is only 95% effective.

So even kids whose parents are doing their best to protect them are needlessly at risk of something that could lead to deafness, or even death (roughly 3 out of every 1000 cases). And decisions not to vaccinate, made by other parents, are directly responsible for this.

I would have to think twice about taking a baby on a New York City bus this month. And people who live there don't get a choice.
boutell: (Default)
Apparently over the counter pain medications at the time of vaccination make the vaccine less effective.

"Many of the pain relievers in question are classified as NSAIDs or nonsteroidal anti-inflammatory drugs, which act in part by blocking the cyclooxygenase-2 (cox-2) enzyme. Blocking the cox-2 enzyme is not a good idea in the context of vaccination, however, because the cox-2 enzyme is necessary for the optimal production of B-lymphocytes."

So while there can be discomfort with certain vaccines apparently it's best for you and/or your kid to tough it out. Well, it sure beats contracting the disease.

September 2014

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