Researcher: Cloth Masks Are Effective Against Viruses For Up To A Year

Now, put on mask It is a must when working outside the home. In fact, when COVID-19 cases are on the rise again, experts recommend the use of mask double: mask surgery and mask cloth.

As for resilience, mask surgery can only be used once. Then, what about mask cloth?

Researchers from the University of Colorado Boulder found that washing and drying mask cloth, does not reduce the ability mask cloth in filtering virus particles. Even mask cloth is still effective for up to one year.

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Another good news, use mask cloth can help reduce medical waste. Considering that since the pandemic, there have been at least 7,200 tons of medical waste every day.

“This is good news for sustainability. Cotton masks that you have washed, dried, are still fine. Don’t throw them away,” said Marina Vance, assistant professor at the University of Colorado Boulder as reported by The Ladder, Monday (13/9).

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Vance and team made a test using mask cotton cloth, then wash and dry it repeatedly up to 52 times, or the equivalent of weekly washing for a year.

Though mask not tested on humans, researchers used real-life conditions such as humidity levels, temperature changes, as if used during the four seasons.

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Although the fibers of the fabric tug over time, the researchers say that repeated washing and drying does not reduce effectiveness mask cloth. However, the researchers noted that mask The fabric makes it a little harder for the user to breathe air.

“There is an important note to this study, there should be no gap between mask the cloth and the face of the wearer,” said Vance.

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On the other hand, the study also found that mask The N95 is the best against the Covid-19, followed by mask surgery and mask cloth. N95 and KN95 masks are capable of filtering 83 percent to 99 percent of particles.

Then mask cotton cloth is able to filter up to 23 percent of the smallest particle size that the virus can pass through. Temporary mask surgery can filter out up to 88 percent of the small particles that can carry the corona virus.*

(source: Republika.co.id)

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