A number of these respirators failed to demonstrate a minimum
particulate filtration efficiency of 95% upon testing, the agency
said. (https://bit.ly/35JPxQW)
The Centers for Disease Control and Prevention (CDC) lists N95
masks, which are designed to filter at least 95% of airborne
particles, as critical protective supplies that must be reserved for
the use of health care workers amid a steep surge in demand due to
the COVID-19 pandemic.
The FDA's move on Thursday follows its decision last month to ask
China to revise new export quality control rules for protective
equipment needed, so they are not an obstacle to timely supplies.
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The agency said it had previously authorized the use of those respirators
manufactured in China that have been tested by a recognized independent
laboratory, even if they hadn't been tested by U.S. authorities.
However, as a number of these respirators failed to meet the minimum performance
standards, the FDA said it was withdrawing the approval of all respirators
authorized under the previous criterion.
(Reporting by Manojna Maddipatla in Bengaluru; Editing by Shailesh Kuber)
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