Light Worker Patriot! Married! Mother of 3 Beautiful Daughters and 4 Handsome Grandsons, 1 Beautiful Grand-Daughter
This is all I could find on the subject. https://www.reuters.com/article/uk-factcheck-antigen-control-idUSKCN2AV2KR
Fact check: A positive control helps to diagnose faults in COVID-19 tests | Reuters
A Facebook post with a picture of a positive control for a COVID-19 test misleadingly describes it as a positive test kit and suggests it may be “preloaded with the virus”.
https://www.reuters.com/article/uk-factcheck-antigen-control-idUSKCN2AV2KR