KGO ABC World News Tonight With David Muir August 28, 2020 00:47:00
Quietly announced on their website that if you've been exposed but don't have symptoms, "you don't necessarily need a test" for covid-19 in most cases. this evening, the head of the cdc is responding to the fire and saying something slightly different, that now testing may be considered for all close contacts of confirmed or probable covid-19 patients. public health experts say it's enough to make your head spin. >> this shifting policy back and forth is undermining the credibility of the messages from the cdc and confusing people. >> reporter: several states that are finally seeing the good s...