The Latest: WHO calls for consistent message on virus

LONDON — The emergencies chief of the World Health Organization says scientific disagreements over COVID-19 interventions — like masks and vaccines — shouldn’t be treated as “some kind of political football,” but acknowledged that “it isn’t easy for everyone to be on message all the time.”
Asked to respond to the open disagreements between U.S. President Donald Trump and the director of the U.S. Centers for Disease Control and Prevention over