USA – FDA: COVID-19 variants may affect molecular test results

The U.S. drugs regulator said on Friday genetic variants of COVID-19, including the one found in the UK, could lead to false negative results from some molecular COVID-19 tests, but the risk of the mutations affecting overall testing accuracy is low.

The U.S. Food and Drug Administration (FDA) said it has alerted lab staff and healthcare providers to the possible false negative results and has asked them to consider such results in combination with clinical observations, and use a different test if COVID-19 is still suspected…