These COVID-19 Masks May Be Worse Than Not Wearing a Mask At All

Chengdu, Sichuan / China - January 23 2019: travellers all wear mask at airport to prevent infection from coronavirus. The virus has caused emergency situation during Chinese New Year.

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A new study shows when wearing a COVID-19 mask could turn out to be more dangerous for you than wearing no mask at all.

The study published Tuesday in the Physics of Fluids showed that reusing a surgical mask drops its efficiency to a measly 25 percent.

“It is natural to think that wearing a mask, no matter new or old, should always be better than nothing,” said the author of the study Jinxiang Xi. “Our results show that this belief is only true for particles larger than 5 micrometers, but not for fine particles smaller than 2.5 micrometers.

“We hope public health authorities strengthen the current preventative measures to curb COVID-19 transmission, like choosing a more effective mask, wearing it properly for the highest protection, and avoid using an excessively used or expired surgical mask.”

The coronavirus mainly comes from animals and a majority of those who were infected early either worked at or frequently visited the Huanan seafood wholesale market in Wuhan, according to The Guardian. The virus is similar to Severe acute respiratory syndrome (Sars) and Middle Eastern respiratory syndrome (Mers).

The Wuhan coronavirus is transmitted from person to person through “droplet transmission.” That means an infected person can pass the virus by sneezing or coughing on another person as well as by direct contact.

While a majority of the cases have been detected in the United States and China — with more than 15.5 million confirmed cases and 290,000 deaths in the United States — it has now reached many countries around the world. It has also been confirmed in Italy, Australia, Canada, France, Germany, and many other eastern countries.

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