How the FDA will decide if a coronavirus vaccine is safe and effective

Coronavirus vaccine trial.
(Image credit: SIPHIWE SIBEKO/POOL/AFP via Getty Images))

The Food and Drug Administration has received some criticism amid the coronavirus pandemic for rushing approval on some medications, but the agency is expected to assure everyone Tuesday that it "will not reduce its standards or cut corners in its review to approve a vaccine" despite moving at unprecedented speed to do so, The Wall Street Journal reports.

FDA Commissioner Stephen Hahn is expected to discuss the agency's guidance for vaccine approval in Congressional testimony Tuesday. Per the Journal, the FDA won't give a candidate the green light unless the manufacturer "clearly" demonstrates its safety and effectiveness through a clinical study, and the production of antibodies in patients' bloodstream alone won't lead to approval since it's still unknown what levels of antibodies provide protection.

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