Possible False RPR Reactivity with BioPlex 2200 Syphilis Total & RPR Test Kit Following a COVID-19 Vaccine - Letter to Clinical ...
December 17, 2021 The U.S. Food and Drug Administration (FDA) is alerting clinical laboratory staff and health care providers that false reactivity, or "false-positive", Rapid Plasma Reagin (RPR; non-treponemal) test results, when using the Bio- …