Patchy vaccination coverage leaves some at risk
Vaccination rates in some areas are so low that they are vulnerable to the spread of potentially dangerous diseases such as measles and whopping cough.
A report detailing child vaccination rates nationwide has found that although almost 91 per cent of children were fully vaccinated in 2014-15, in more than 100 postcodes less than 85 per cent were fully immunised, including just 73.3 per cent in the Brunswick Heads area on the New South Wales north coast.
The National Health Performance Authority report indicates that the country has a considerable way to go to achieve the target set by the Commonwealth, State and Territory chief health and medical officers for 95 per cent of all children to be fully vaccinated, though there were some encouraging signs of progress.
The NHPA found immunisation rates among one-year-old Indigenous children increased significantly in 14 per cent of geographical areas, and there was a big 8 percentage point jump in the rate outback South Australia.
The report also revealed improvements in Surfer’s Paradise, and the eastern suburbs of Sydney.
The findings were released against the backdrop of concerted efforts nationwide to boost immunisation rates, most notably through the Federal Government’s No Jab, No Pay laws, which deny family tax supplements and childcare benefits and rebates to parents who refuse to have their children vaccinated.
There have been anecdotal reports of surge in vaccinations before the commencement of the school year as the new rules loomed, but public health expert Julie Leask warned the causes of low vaccination rates were complex, and it was too early to assess the effectiveness of the No Jab, No Pay laws.
In her Human Factors blog (https://julieleask.wordpress.com/), Ms Leask, a social scientist at Sydney University’s School of Public Health, said a significant percentage of the 84,571 children reported as not fully vaccinated were in fact up-to-date but there were errors in recording their status on the Australian Childhood Immunisation Register.
In other instances, parents were unaware of vaccination requirements, or encountered problems in arranging for the immunisation of their children.
Ms Leask said that without further research, it was impossible to know how many children were being denied immunisation because their parents objected to it.
She said there were encouraging accounts of some parents who were previously objectors arranging for their children to be vaccinated – including some who were “angry and resentful, feeling coerced into making the decision because they cannot afford to miss the payments”.
But Ms Leask aired concerns about the implementation of the No Jab, No Pay laws.
She said Primary Health Networks and providers including GPs, nurses and Aboriginal health workers were being forced to work “very hard to implement a complex policy in a very short timeframe,” with often inadequate resources.
Providers were in many cases being overwhelmed by demand and had not been provided with additional assistance, and were being denied access to the ACIR and so could not update patient details.
The importance of high rates of vaccination have been underlined by warnings that the world remains “significantly off-track” targets to eliminate measles, and that communities with immunisation rates below 90 per cent were at risk of fast-spreading outbreaks.
The Gavi Vaccine Alliance said that although the number of deaths from malaria worldwide had fallen substantially in the past decade, the disease still claimed 114,900 lives in 2014 – most of them children younger than five years.
Gavi said it had developed a new approach to support periodic, data-driven measles and rubella campaigns in addition to action to tackle outbreaks.
“Measles is a key indicator of the strength of a country’s immunisation systems and, all too often, it ends up being the canary in the coalmine,” Gavi Chief Executive Dr Seth Berkley said. “Where we see measles outbreaks, we can be almost certain that coverage of other vaccines is also low.”