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What is the difference between a K95 mask and a N95 mask. A K95 mask is based on a Chinese standard. A N95 mask is based on the American standard. The N95 masks was first made by 3M a company making masks for industrial and healthcare use based in Minneapolis, U.S. Tests on K95 masks have shown that many fail to meet basic filtration quality test standards.

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Having an adequate supply of N95 masks is critical for each hospital tackling the coronavirus pandemic. The lack of enough masks leaves health care personnel without the basic protection and is a grave emergency. Hospitals are resorting to reuse of the masks in this crisis and this is not a good practice as it increases the chances of infection. President Trump has invoked the Defense Production Act on April 2 against 3M. This gives the federal government more control over 3M's operations to ensure that it goes all out to make the healthcare N95 masks that the hospitals need in this grave emergency. This report in the WSJ covers the situation as of April 3 on the supply of M95 masks for health workers and others. N95 masks block 95% of very small particles. Supply in the U.S. is for 50 million N95 masks. Demand in the U.S. is for 300 million N95 masks as estimated by the Department of Health and Human Services. in March- this is how many are needed by health care workers to fight this pandemic in the U.S. The principal manufacturer is 3M. 3M company has doubled its production since January 2020. The trend before this pandemic was to send production over to China and other countries. This is changing now with the pandemic and the U.S. policy shifting to be self sufficient in medical supplies in the event of an emergency. A policy Peter Navarro, who heads the agency in charge of getting medical supplies, says President Trump is insisting be implemented. Hospital buyers supported the earlier trend to keep costs down, but this appears to be a costly mistake, putting health care workers in hospitals across the U.S. without the basic protection they need. Minnesota based 3M invented the first modern disposable masks in the 1960's. Interestingly 3M continued to make millions of masks in the U.S. even though competitors moved manufacturing overseas. The 50 million disposable masks 3M made globally went to workers in industries where it provided extra safety from metal shavings or other substances, and medical workers. Now 90% of masks go to medical workers. 3M ramped up production globally since January 11 when the pandemic first hit to 100 million masks a month globally, and 35 million a month in the U.S. at plants in South Dakota and Nebraska. 3M says that it will import 10 million masks from its factory in China, which earlier this year was restricted from shipping it outside China as China needed masks for the pandemic. About 10 million more masks are made by two other manufacturers Alpha Pro and Louis Gerson Co.  U.S. Department of Health and Human Services ordered 600 million N95 masks from 5 companies to distribute to hospitals and build up the national medical supply stockpile. 190 million each of this is from 3M and Honeywell and 130 million Owens & Minor Inc.  3M says it will make 50 million a month in the U.S. by June. Honeywell which had moved production overseas, plans to bring back production to the U.S. by making 10 million masks by May at its Rhode Island and Phoenix plants. There is a company in Singapore that makes one million masks a day in China and other Asian countries, Pasture Pharma Pte, but most of it is committed to government agencies in China.   ...

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Massachusetts governor Charlie Baker gets an order in with a number of Chinese manufacturers for supply of over a million N95 masks. The hard hit east coast states of the U.S. face a critical shortage of N95 masks for health care workers in hospitals. The problem is getting them shipped from Shenzen, China to to Boston's Logan airport. Someone suggested using the Patriots football team's Boeing 767 jet. Robert Kraft, Patriot's owner agreed and the passenger plane was converted to carry cargo. The Chinese consulate in New York stays open over the weekend to process the flight crew's visas. Approval for landing without the crew being asked to quarantine for 14 days was another hurdle. Chinese authorites agreed to permit the landing for about 3 hours to pick up cargo only, with the flight crew staying on the plane. Chinese internet company Tencent sent some of its employees to help prepare the shipment and send it to Shenzen airport. The Boeing 767 makes a stop in Alaska before flying to Shenzen and completes the flight back to Logan airport in Boston. Governor Baker and the Patriot's Mr. Kraft send 300,000 of the masks to New York. ...

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The FDA has handled the importation of masks from China badly says this report in WSJ. During the shortage FDA let 3500 Chinese manufacturers selling products of wide variations in quality to send masks to the U.S. Millions of these N95 masks are now available imported from China but their reliability is uncertain. The FDA even has the same manufacturers on approved and revoked approval lists creating more confusion. The FDA gave then revoked approval for products that failed quality standards.  The WSJ found that some of the companies given approval early were just weeks old and had not completed quality review by FDA. The WSJ reports that more than 60% of foreign made masks nearly all Chinese made failed basic U.S. government quality tests that reviewed 22 brands according to regulatory data. About one fifths of the makers were just weeks old and others made claims that were simply not correct. The FDA acted in a crisis situation so bad actors could take advantage of the situation say experts.  What happens now. The states of California,Washington and Texas are now checking their supplies of N95 masks to see if all the makers are on authorized lists and not revoked. Many doctors and hospitals are going through much anxiety because of the safety of their N95 masks in close contact situations in eyecare, dental care and other care, is now uncertain. ...