Home » Medical » New COVID-19 Variants Are Messing up Test Results, FDA WarnsMedicalNew COVID-19 Variants Are Messing up Test Results, FDA Warns Manny Johnson January 9, 2021 4 Views Genetic variants of SARS-CoV-2, the virus the causes COVID-19, may lead to false negative results with molecular tests for the virus. So what is FDA doing about it?