CDC: Face masks do not prevent COVID-19, study finds that masks have insignificant effect on coronavirus numbers

Gen Til wears a protective face mask while exercising at the Planet Granite Climbing Gymnasium during the coronavirus pandemic in San Francisco, Thursday, March 4, 2021. The gym was opened today to enable ten percent capacity.  (AP Photo / Jeff Chiu)

Gen Til wears a protective face mask while exercising at the Planet Granite Climbing Gymnasium during the coronavirus pandemic in San Francisco, Thursday, March 4, 2021. The gym was opened today to enable ten percent capacity. (AP Photo / Jeff Chiu)

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UPDATE 16:45 PT – Sunday 7 March 2021

The CDC has recognized that face masks do not prevent the spread of COVID-19 amid increasing pressure to lift mask mandates across the US. of error.

Trader Jesus Barajas (C) wears a face mask while showing off long-stemmed roses ahead of the Valentine's Day holiday at the Southern California Flower Market on February 12, 2021 in Los Angeles, California.  While some florists are seeing an increasing demand for gifts with a social distance, the Covid-19 pandemic has affected global supply chains and discontinued most major events, including weddings where flowers are popular.  Valentine's Day and Mother's Day holidays are historically the two busiest days of the year for flower businesses.  (Photo by Patrick T. FALLON / AFP) (Photo by PATRICK T. FALLON / AFP via Getty Images)

Trader Jesus Barajas (C) is wearing a face mask while showing off long stem roses for sale ahead of the Valentine’s Day holiday at the Southern California Flower Market on February 12, 2021 in Los Angeles, California. (Photo by PATRICK T. FALLON / AFP via Getty Images)

The study found that face mask orders between March and December 2020 reduced infection rates by 1.5 percent over the two-month periods. The masks were 0.5 percent effective in the first 20 days of the mandate and less than 2 percent effective after 100 days.

A traveler wears a face mask while checking their phone at the arrival level outside the Tom Bradley International Terminal (TBIT) at Los Angeles International Airport (LAX) amid increased travel restrictions on Covid-19 on January 25, 2021 in Los Angeles, California.  President Joe Biden will impose a travel ban on the Covid-19 for most non-US citizens who have been to Britain, Brazil, Ireland and much of Europe, a White House official said when the new government increases its pandemic response.  (Photo by Patrick T. FALLON / AFP) (Photo by PATRICK T. FALLON / AFP via Getty Images)

A traveler wears a face mask while checking their phone at the arrival level outside the Tom Bradley International Terminal (TBIT) at Los Angeles International Airport (LAX) amid increased travel restrictions on Covid-19 on January 25, 2021 in Los Angeles, California. (Photo by PATRICK T. FALLON / AFP via Getty Images)

The CDC added that it still recommends wearing face masks, although it acknowledges that such mandates make no statistical difference. In the meantime, some states across the country have slowly returned to normal by ending the masking mandates.

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