False positives on 7 patients using lot#142824 for these antigen tests.The pcrs that were completed by the cdc who was here working side by side us came back negative.This lot had some noticeable problems such as the saline droppers were cracking when being used and the aluminum package the testing cassettes came in were much more difficult to tear open then the thousands of others we have used here.We collaborated with the cdc and are testing about 2000 students and staff each work week here at (b)(6).There was a group of false positive that came out like rapid fire one after the other for us to know the something was wrong.Together we narrowed it down to that particular lot.Fda safety report id# (b)(4).
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