Measles is a highly contagious disease and no vaccine is 100% effective. Furthermore, some people cannot get vaccinations for various reasons, such as being too young or having a compromised immune system. It’s therefore very easy for just one single case to cause an outbreak in a community. But if enough people are vaccinated, the unvaccinated individuals will protect those without immunity (herd immunity) because disease transmission is interrupted. Drop below this critical number and an outbreak can easily occur, especially given the mobility of the human population and the fact that measles is still endemic in some countries. Read more at iflscience/health-and-medicine/measles-outbreak-traced-back-single-unvaccinated-child#c5quUzaLwaTYzSSV.99
Posted on: Tue, 24 Jun 2014 05:44:43 +0000
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