I know a few people who test negative on PCR tests but have identical symptoms due to a flu. Given the insane rate of omicron I wouldn't assume all these tests were wrong if one of them now tests positive..
The Center for COVID Control expanded so rapidly that it became unable to keep up with the thousands of tests sent its way — leading to workers leaving tests in garbage bags, unrefrigerated, around the office and lying to customers about their results, former employees said.
Also this person had three RTs within 45 minutes, two positive (manufacturer A) and one negative (manufacturer B).