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Meyou 05:58 AM 07-24-2012
There are vaccine resistant strains of these diseases developing. Here are a few articles about the US whooping cough epidemic and an epidemic in Australia where they have started pulling the whooping cough vaccine because it doesn't work anymore.

Some info about the current whooping cough outbreak and vaccinations.

http://www.reuters.com/article/2012/...8320TM20120403

Witt had expected to see the illnesses center around unvaccinated kids, knowing they are more vulnerable to the disease.

"We started dissecting the data. What was very surprising was the majority of cases were in fully vaccinated children. That's what started catching our attention," said Witt.

To figure out just how well the vaccine was working, Witt and his colleagues collected information on every patient who had tested positive for pertussis between March and October, 2010.

Of the 132 patients under age 18, 81 percent were up to date on recommended whooping cough shots and eight percent had never been vaccinated. The other 11 percent had received at least one shot, but not the complete series.


http://online.wsj.com/article/APae1a...0e3abe635.html

Some parents in California and other states have rebelled against vaccinations and gotten their children exempted from rules that require them to get their shots to enroll in school. Washington state has one of the highest exemption rates in the nation. But the CDC said that does not appear to be a major factor in the outbreak, since most of the youngsters who got sick had been vaccinated.

http://www.news.com.au/breaking-news...-1226350174856

http://www.smh.com.au/national/healt...320-1vibp.html
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