Coronavirus weather study suggests dry air could aid the spread of COVID-19

With mask wearing in public places compulsory in Victoria and recommended in New South Wales, many Australians are buying, wearing or making goggles the first time.

But the new suggestion has led to some confusion because, for weeks, federal authorities insisted masks were not necessary. And while the Centers for Disease Control and Prevention, together with many California officials, suggest using them while shopping or being out in public, President Trump says he won’t be covering his face.

The study, conducted by Michael Ward, professor of veterinary and public health in the University of Sydney, and international colleagues, took locally acquired coronavirus cases in Sydney between February and May and used postcode data to link cases for the closest weather station.

Here’s what the CDC says: “Cloth face coverings fashioned from things around the house or made in the home from common materials from suppliers works extremely well just as one additional, voluntary public health measure.”

Many crafters sell handmade masks on online markets. Check social media for local offerings. But there is still debate about whether people ought to be encouraged to wear face mask in any respect. “A homemade mask should just be considered as a last make use of prevent droplet transmission from infected individuals,” the study concludes, “but it will be a lot better than no protection.”


“Our results demonstrate that airborne transmission via respiratory aerosols represents the dominant route to the spread of COVID-19,” Zhang said. “By analyzing the pandemic trends without face-covering using the statistical method and also by projecting the popularity, we calculated that 66,000 infections were prevented by using a breathing filter in little on the month in New York City. We conclude that wearing a nose and mouth mask in public places corresponds to the most effective means to prevent inter-human transmission.

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