Should Australians wear face masks amid Victoria’s surge in new coronavirus cases?

Should Australians wear face masks amid Victoria’s surge in new coronavirus cases?


As Victoria faces the prospect of a third week of double-digit new daily coronavirus infections, the question of whether face masks are an effective way to slow outbreaks has re-emerged.

In the early stages of the pandemic, Australian authorities had advised that their use was not necessary for most people, but it has emerged that new guidelines being developed could require Victorians to wear face coverings.

Experts say if recommendations change, it is because of time and new evidence.

Epidemiologists discuss masks with SBS and advise on whether they should be essential.

A healthcare worker conducts a COVID-19 test at a Coronavirus pop-up testing facility in Broadmeadows, Melbourne where cases have spiked.

AAP

“A lot has changed in six months. We’ve learnt a whole lot more about the virus and we’ve learnt a whole lot more about what to do to prevent infection,” Hassan Vally, an associate professor in epidemiology at La Trobe University, told SBS News.

“As our knowledge improves, the advice is changing and it’s going to continue to change – we’re learning as we’re going.”

Distance is still the most effective barrier to stop droplets being transmitted between people, but masks “represent another barrier to infection”, Mr Vally said.

“The advice on whether to wear a mask is also context-based, so it depends on how much virus you have circulating in the community.”

“The WHO recommendations say if you have a lot of virus in the community then they’re pretty prescriptive or pretty clear that the advice is to wear a mask.”

asks should be essential in communities where coronavirus cases are high epidemiologists say.

Masks should be essential in communities where coronavirus cases are high epidemiologists say. Picture: Sao Paulo, Brazil where numbers are soaring.

EFE

While the recent resurgence in Victoria is concerning, Mr Vally said it is a “middle-ground” in comparison to the community transmission seen in other countries.

“Everything is not straightforward, so I would say people should be making decisions based on their own circumstances,” he said.

Countries have not only varied advice surrounding the use of face coverings, but even within some nations, such as the United States, guidelines vary greatly.

The necessity of masks “is incredibly complex”, Mr Vally said, but what made the debate initially hard were two majors drivers. 

“One was the uncertainty of how masks work in a community setting, the other driver was we didn’t think we had enough masks for the frontline health workers that needed masks,” he said.

Epidemiologists discuss masks with SBS and advise on whether they should be essential.

At the beginning of the coronavirus outbreak, epidemiologists were concerned that health professionals may not have had enough masks on the frontline.

AAP

Mary-Louise McLaws, a professor of epidemiology, hospital infection and infectious diseases control at the University of New South Wales, agreed.

Prof McLaws said that people need to accept there will be new information that will change public health policy.

“The one thing we need to learn during the pandemic is to be resilient. If we tell you something at the beginning of it, it’s a brand new disease and we’re learning – accept the fact that we’re learning,” she told SBS News.

Prof McLaws said that face masks could be adopted by the community to control the Victorian outbreak.

“We may start to see others start to wear it and it becomes a social norm.

“I’m not suggesting that everyone outside of Victoria or Melbourne wears a mask, except for public transport where you can’t keep your distance and definitely in an aeroplane.”

There is also a growing understanding of how effective cloth masks are, Prof McLaws said.

“The WHO has now put out a guide about the cloth masks needing to have three layers – the outer layer is water-resistant, the inner layer is a soft property that doesn’t irritate the skin, and the middle layer is a polyester that can act like a filter.”

“We need to send a message that we don’t expect you to wear them in the street, but when you’re inside public transport or inside an office where you can’t keep your physical distancing, then yes.”

Epidemiologists discuss masks with SBS and advise on whether they should be essential.

Deputy Chief Medical Officer Professor Paul Kelly said “In areas with increased risk of transmission, masks could be part of the solution in that setting..”

AAP

Acting chief medical officer Paul Kelly played down a change in advice in his briefing on Wednesday.

“I would reconfirm what I have said, and the Australian health protection committee guidance has said for some time, in general terms, masks are not needed in most circumstances for most people, most of the time,” he said. 

“There are some times when masks can be part of a solution and one of those would be where there’s a large increase in community transmission and social distancing cannot be guaranteed.

“Victorian authorities I know are looking very closely at whether they need specific advice for people living in those hotspot areas. That would be consistent with the national approach. [In] hotspot areas, with increased risk of transmission, masks could be part of the solution in that setting.”

People in Australia must stay at least 1.5 metres away from others. Check your state’s restrictions on gathering limits.

Testing for coronavirus is widely available across Australia. If you are experiencing cold or flu symptoms, arrange a test by calling your doctor or contact the Coronavirus Health Information Hotline on 1800 020 080.

The federal government’s coronavirus tracing app COVIDSafe is available for download from your phone’s app store.

SBS is committed to informing Australia’s diverse communities about the latest COVID-19 developments. News and information is available in 63 languages at sbs.com.au/coronavirus



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