To avoid contamination, first wash your hands and avoid contact with testing surfaces. 2. Add drops Then for the BinaxNOW kit, put six drops from the dropper bottle into the top hole of the card. 3.

More than a year after Quidel’s Lyra PCR assay for COVID-19 was granted emergency use authorization by the FDA, the agency has slapped a Class I label on a widespread recall of the tests. Quidel ...