This is why testing is important. Their accuracy has always been about 70%.
https://theconversation.com/coronavirus-how-accurate-are-coronavirus-tests-135972
Your advocating for no testing then?
Even a test that is 70% accurate gives a better indication than no testing.
Which test in China and when were they taken in relationship to symptoms? Were the nose or throat or both swabs?
Try a more scientific source
https://www.sciencemediacentre.org/expert-comment-on-the-reliability-of-swab-testing/
Like most things scientific in relationship to CV19 there is some doubt and various things matter such as what the swabs are coated with, where they are taken from and when in relationship to symptoms. Also why has this type of testing helped keep numbers down?
