Their own numbers are telling you this is fake. They always do. Details like this will be lost in the noise.
“When the infection rate of the close contacts and the sensitivity and specificity of reported results were taken as the point estimates, the positive predictive value of the active screening was only 19.67%, in contrast, the false-positive rate of positive results was 80.33%. [emphasis mine]”
h/t Jack33No tags for this post.