UK's Johnson virus positive as new outbreaks appear in US

British Prime Minister Boris Johnson became the first leader of a major country to test positive for the coronavirus while disturbing new outbreaks appeared in the United States, deaths surged in Italy and Spain and the world warily trudged through the pandemic that has sickened more than a half-million people.While the U.S. now leads the world in reported infections, five countries exceed its roughly 1,700 deaths: Italy, Spain, China, Iran and France.