Authorities should take as much care with the air as they do with their water to help combat the latest surge in COVID-19 cases and future waves, a leading epidemiologist says.
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Adrian Esterman from the University of South Australia says better ventilation and better vaccines will be vital to fighting the virus over the long term.
Despite high numbers of active cases across the country, he questioned how many public buildings, offices, factories and retail settings had conducted ventilation audits and taken steps to improve their air conditioning.
"It's the key. We wouldn't start drinking contaminated water, yet we seem quite happy to breathe contaminated air," Professor Esterman said.
"This is an airborne disease. Over 98 per cent of infections are airborne, probably even more than that.
"If it's an airborne disease, why aren't we looking after our air?"
While giving evidence to a South Australian parliamentary committee, Prof Esterman also urged the development of a US-style Centre for Disease Control to better coordinate pandemic efforts.
"One of the big problems with our approach to COVID-19 is that every state and territory does a different thing," he said.
"Even things like the definition of a case. There's hardly any national definitions or national approaches.
A good example is contact tracing, Professor Esterman told the committee, with each state and territory having their own method.
"This is a crazy situation. We need a national approach. It would benefit the whole country," he said.
Prof Esterman noted the new federal Labor government had taken to the election a policy to establish an Australian CDC.
In policy documents, Labor said a local CDC would ensure ongoing pandemic preparedness, lead the federal response to future infectious disease outbreaks and work to prevent non-communicable as well as communicable diseases.
"Hopefully that will happen," he said.
LATEST 24-HOUR COVID-19 DATA:
* NSW: 13,425 cases, 46 deaths, 2210 in hospital with 68 in ICU
* Victoria: 8937 cases, 61 deaths, 837 in hospital with 38 in ICU
* Queensland: 18,678 cases, no deaths, 861 in hospital with 30 in ICU
* WA: 4034 cases, 13 deaths, 417 in hospital with 15 in ICU
* SA: 2767 cases, four deaths, 335 in hospital with 10 in ICU
* Tasmania: 923 cases, one death, 144 in hospital with four in ICU
* ACT: 719 cases, two deaths, 152 in hospital with one in ICU
* NT: 303 cases, no deaths, 56 in hospital with none in ICU
Australian Associated Press
