Coronavirus live news: Melbourne locks down as global cases pass 12m | World news






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Coronavirus report: global cases pass 12m as US daily tally breaks world record









How to stop your glasses steaming up – and 19 other essential facts about face masks

A mask, says Martin McKee, a professor of European public health at the London School of Hygiene & Tropical Medicine, is a “means of reducing the propensity of someone who has got Covid-19 to spread it to others. We’re not talking about protecting yourself by wearing one, but about reducing the risk to other people.”

Wearing a mask is just one measure, along with handwashing and social distancing, to try to contain Covid-19, and seems particularly useful for stopping people who have unwittingly contracted the virus, but who are not showing symptoms, from spreading (if you do have symptoms, you should be self-isolating, not going out wearing a mask).

“What you’re doing,” McKee says, “is catching all the little droplets that are coming out of your mouth before they can get into the atmosphere, when they can dry out and become very small and float around as an aerosol. There is still stuff that is going to get out, but you are reducing that risk.”

With so many of us still coming to terms with this “new normal”, we asked McKee and other experts to answer some common questions.





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Doctors warn of overcrowding in Victoria, Australia hospitals

Public hospitals in the Australian state of Victoria have been advised to remain at 75% levels of elective surgery as senior doctors warn that there are not enough hospital beds to meet a surge in demand, and that conditions are placing health workers at a higher risk of contracting Covid-19.

Guardian Australia understands work is under way to deliver equipment needed to treat extra coronavirus patients in hospitals, and it is hoped a further 400 ICU and critical care beds can be added throughout the state.

Almost two dozen healthcare workers and patients have been diagnosed with Covid-19 in recent weeks in Victoria, including doctors, nurses and paramedics. During the “first wave” of the virus that prompted a national lockdown in March, non-urgent elective surgery was put on hold to make room for suspected and known Covid-19 patients.

But because it seemed Australia had Covid-19 under control by early June, hospitals began filling up again with other patients and some wards and beds put aside for Covid-19 were reallocated to general patients.

Now, a senior doctor working in one Victorian hospital has told Guardian Australia that “there is no free, or surge bed capacity, at the moment”.





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