An ACT Government message to Canberrans about wearing a mask. Photo: Region Media.
Government should go hard and long to get the best value out of COVID-19 lockdowns, according to a new study from the Australian National University.
Research just published by a team of modellers, economists and public health experts from the ANU Crawford School of Public Policy, ANU National Centre for Epidemiology and Population Health and the University of Melbourne highlights the hazards of relaxing before zero community transmission is likely.
Lead author Professor Quentin Grafton said the net benefits of lockdowns that were sufficiently long enough to get community transmission to zero far outweigh any short-term gains of relaxing lockdowns too soon.
“Our key insight was that lockdowns need to be long enough to crush the virus, and that effective, longer lockdowns benefit both public health and the economy,” Professor Grafton said.
He said the NSW Government was facing a crunch decision over extending its two-week lockdown of Greater Sydney.
“The NSW Government is under pressure to relax those restrictions, but decisions must be based on the facts on the ground such as the number of new cases, links to known chains of transmission, and the number of new cases not already in self-isolation,” he said.
University of Melbourne Professor Tom Kompas said governments needed to rethink how COVID-19 outbreaks are managed.
“We’re a long way from a post-COVID world. If we think we can do away with periods of movement restrictions when uncontrolled outbreaks occur, we need to think again,” Professor Kompas said.
“The key point here is not to think about the economic costs over a period of a couple of weeks, large as they are, but rather to consider the costs over a period of months if community transmission continues.”
The paper also looked at the public health and economic questions facing Australia and evaluated the costs and benefits of restrictions that result in zero community transmission of COVID-19.
Professor Grafton said the results supported strategies that go hard against COVID-19 infections and get to zero community transmission.
“This is especially the case now with this Delta variant and Australia’s currently low vaccination level,” Professor Grafton said.
“To ensure compliance and to help those who are doing it tough, we need sufficient levels of financial support for the people who are most affected by lockdowns,” he said.
Epidemiological modelling of the health and economic effects of COVID-19 control in Australia’s second wave was published in the Journal of Public Health.
Original Article published by Ian Bushnell on The RiotACT.
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