The Latest: Health depts to CDC: Reverse testing guidance

NEW YORK — Local health departments in the U.S. are pushing for reversal of a recent change to coronavirus testing guidance, saying it is undermining their work to stop outbreaks.
The National Association of County and City Health Officials and the Big Cities Health Coalition, which together represent about 3,000 local health departments, released the letter Friday.The Centers for Disease Control and Prevention quietly posted the change Monday. The CDC previously had advised local health d