Health secretary Robert F.

A new study finds climate hazards aggravate more than half of the known diseases that infect people.

U.S. health officials have sparked a wave of confusion after posting guidelines that coronavirus testing is not necessary for people who have been in close contact with infected people. (AP Photo/Wilfredo Lee, File)NEW YORK U.S. health officials have sparked a wave of confusion after posting guidelines that coronavirus testing is not necessary for people who have been in close contact with infected people. But on Monday a CDC testing overview page was changed to say that testing is no longer recommended for symptom-less people who were in close contact situations. HHS officials officials have offered little explanation, but scheduled a briefing for Wednesday afternoon to answer questions. Across the country, public health experts called the change bizarre.

FILE - In this Feb. 26, 2020, file photo, Major League Soccer Commissioner Don Garber speaks during the Major League Soccer 25th Season kickoff event in New York. Major League Soccer said Saturday, Aug. 8, 2020, it will resume its season once the MLS is Back tournament in Florida wraps up. (AP Photo/Richard Drew, File)In light of Major League Baseball's trouble with its season, Major League Soccer's plan to resume play in its local markets is under scrutiny. The USL Championship, the tier below MLS in American soccer, has been playing in local markets since July 11 but there have been more than a dozen games postponed because of positive tests. 'Garber said that if circumstances merit it, he won't hesitate to pull the plug on the rest of the season.