The Netherlands do have a "Bible belt" - an area which has a high density of fundamentalist protestants, characterised by their vaccine refusal (and a generally conservative attitude amongst the very liberal Dutch). This has, over the years, given rise to serious outbreaks of vaccine preventable diseases, extending far beyond the belt region. For example, in 1978, a polio outbreak in the Netherlands, totalling over a 100 cases, of which 80 (all unvaccinated) were paralytic and one was fatal, spread to Canada and the United States leading to 14 cases of paralytic polio in unvaccinated Amish, and a further 2 non-paralytic cases in unvaccinated non Mennonite in the area. Apart from the molecular analysis of the virus, showing that the cases were related, the infection chain was also clear:
In 1999/2000, a measles epidemic struck the Bible belt and neighbouring regions, totalling just under 3300 cases, of which 94% were entirely unvaccinated, and only one patient had had both MMRs. 16% had complications, over 150 were hospitalised, and 3 patients died. Importantly No association was observed between preexisting illness and either reason for admission (P = 0.5) or residual symptoms at discharge (P = 0.5) contradicting the notion that measles are a generally "harmless" disease in "healthy" children.
More recently, in 2004/5, rubella (the "r" in the MMR) swept through in the Bible belt, also spreading to Canada. The consequences were devastating:
Now, 13 years after the last big outbreak (enough time for the next generation of unvaccinated Bible belters), the next outbreak has started, with one protestant primary school boasting an impressive 1 in 5 pupils infected:
This is an impressive illustration how vaccine refusal (in religious and quasi-religious groupings) leads to large national and international disease outbreaks, causing significant illness, disability and death. These communities effective provide CPR to diseases that should have long been eradicated by providing a "renewable" population of susceptible individuals. Since it may not be possible to change the attitude of certain groups, it is even more important to uphold vaccination coverage around them, to reduce the potential for spread as much as possible.
During the 1978 outbreak, members of the affected religious group traveled from the Netherlands to Canada, where cases subsequently appeared. An Amish family from an Ontario town 15 miles from the affected area moved in late summer 1978 to the Pennsylvania town where the first U.S. Amish case subsequently occurred, in January 1979.Another polio outbreak struck the area in 1992/3, most of the 71 cases amongst the unvaccinated Bible belt inhabitants. This outbreak also spread to Canada.
In 1999/2000, a measles epidemic struck the Bible belt and neighbouring regions, totalling just under 3300 cases, of which 94% were entirely unvaccinated, and only one patient had had both MMRs. 16% had complications, over 150 were hospitalised, and 3 patients died. Importantly No association was observed between preexisting illness and either reason for admission (P = 0.5) or residual symptoms at discharge (P = 0.5) contradicting the notion that measles are a generally "harmless" disease in "healthy" children.
More recently, in 2004/5, rubella (the "r" in the MMR) swept through in the Bible belt, also spreading to Canada. The consequences were devastating:
In The Netherlands and Canada, 387 and 309 rubella cases were reported, respectively. Of these, 97% were in unvaccinated individuals of orthodox protestant denomination. Reported consequences of rubella in pregnancy were 2 fetal deaths and 14 infants with congenital infection. Of the latter, 11 had clinical defects including deafness in all but eye defects in none.The reason should be crystal clear - low vaccination uptake. The Dutch equivalent of the CDC, the RIVM publishes the numbers in handy maps - see the MMR vaccination coverage in the 1998 cohort (as school children, the baby chart was not available) vs measles cases:
The darker, the bad |
Now, 13 years after the last big outbreak (enough time for the next generation of unvaccinated Bible belters), the next outbreak has started, with one protestant primary school boasting an impressive 1 in 5 pupils infected:
the "belt" even more visible in infant vaccination gaps |
This is an impressive illustration how vaccine refusal (in religious and quasi-religious groupings) leads to large national and international disease outbreaks, causing significant illness, disability and death. These communities effective provide CPR to diseases that should have long been eradicated by providing a "renewable" population of susceptible individuals. Since it may not be possible to change the attitude of certain groups, it is even more important to uphold vaccination coverage around them, to reduce the potential for spread as much as possible.