‘Chaos and confusion’ could follow vaccine approvals. – The New York Times

The United States may be within months of a profound turning point in the countrys fight against the coronavirus: the first working vaccine.
Demonstrating that a new vaccine is safe and effective in less than a year would shatter the record for speed, the result of seven-day workweeks for scientists and billions of dollars of investment by the government.
The path has not been without bumps. Johnson & Johnson announced Monday night that it was halting its Phase 3 trial after a volunteer go…

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