America’s Covid Swab Supply Depends on Two Cousins Who Hate Each Other (Bloomberg)

Only two companies in the world make the nasopharyngeal swabs, which are used for COVID tests: Copan Diagnostics Inc. in northern Italy and a small, family-owned business in Maine called Puritan Medical Products Co. The swabs are highly specialized devices requiring precise manufacturing in proprietary machines to meet the strict regulatory requirements of hospitals. No other companies could quickly step in.

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