Changes

Due to a decrease in vaccination, measles has become endemic in Britain. This means that measles does not need to be brought in by travelers, but instead has a large enough base of non-immune individuals for it to continuously spread inside the country. In London, only 71 percent of children receive the first dose of the vaccine and only 51 percent receive the second dose. Due to this decline, there were 461 measles cases in Britain in the first half of 2008. These cases have had tragic consequences, with the death of a 17-year-old reported in 2008.<ref>[http://www.healthdirect.co.uk/2008/07/measles-endemic-in-britain-official.html Health Direct NHS watch blog]</ref> This immunization failure is due to parents opting out of the MMR vaccine program in the wake of the false claims that the MMR vaccine causes autism.<ref>https://www.thetimes.co.uk/article/no-doubt-the-mmr-vaccine-does-not-cause-autism-zpxk37ntzmh</ref>

Due to a decrease in vaccination, measles has become endemic in Britain. This means that measles does not need to be brought in by travelers, but instead has a large enough base of non-immune individuals for it to continuously spread inside the country. In London, only 71 percent of children receive the first dose of the vaccine and only 51 percent receive the second dose. Due to this decline, there were 461 measles cases in Britain in the first half of 2008. These cases have had tragic consequences, with the death of a 17-year-old reported in 2008.<ref>[http://www.healthdirect.co.uk/2008/07/measles-endemic-in-britain-official.html Health Direct NHS watch blog]</ref> This immunization failure is due to parents opting out of the MMR vaccine program in the wake of the false claims that the MMR vaccine causes autism.<ref>https://www.thetimes.co.uk/article/no-doubt-the-mmr-vaccine-does-not-cause-autism-zpxk37ntzmh</ref>

==References==

==References==

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== Sources ==

== Sources ==

*{{Harvard reference

*{{Harvard reference