There were two remedies in the article that I saw, one is wait for the FDA to approve the protocol, and the other is to change to what I assume is a research st

There were two remedies in the article that I saw, one is wait for the FDA to approve the protocol, and the other is to change to what I assume is a research study which would. Is there technology already available for your idea that would make it easier than those? Such as a swab that changes color when exposed to the air for more than 30 minutes or something.