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The obvious benefit of combination vaccines is that they provide protection against the same number of diseases with fewer injections. But there are other advantages to incorporating the new combination vaccines into the immunisation schedule.
Adding the MMRV vaccine to those given at 18 months means that children will now receive the second dose of their measles vaccine two-and-half years earlier. Although Australia is free from measles circulating in the community, large outbreaks can occur when travellers reintroduce the virus, particularly into pockets of the population where there is sub-optimal vaccine coverage.
This happened in 2011 and again in New South Wales 2012. Having the majority of the community immune to measles by receiving two doses of the vaccine is essential for preventing outbreaks.
The use of MMRV at 18 months is also expected to improve protection against chickenpox. Previously, this vaccine was the only one given at 18 months, and was sometimes forgotten. As a result, coverage against chickenpox has been lower than for other childhood vaccines, with around 84% of children immunised by the age of two.Bebek ürünleri
Chickenpox vaccine was only introduced in 2005, and there has already been a 75% reduction in hospitalisations for chickenpox in children younger than five years old. We can expect further benefits with the increase in the number of vaccinated children.
This change should also see more children get the second dose of the MMR vaccine in a timely way than when it was recommended at the age of four.
Similarly, the convenience of the combination Hib-MenC vaccine at 12 months, rather than two separate injections, will no doubt contribute to more children being vaccinated. This should maintain or improve upon the low rates of both diseases that we have already seen since these vaccines were included on the national immunisation program over a decade ago.Bebek ürünleri