GENEVA — The World Health Organization’s chief on Monday slammed some government leaders for eroding public trust by sending mixed messages on the coronavirus and warned that their failures to stop their countries’ spiraling outbreaks mean there would be no return to normal “for the foreseeable future.” WHO Director-General Tedros Adhanom Ghebreyesus did not call out specific politicians for criticism but said “too many countries are headed in the wrong direction” with the pandemic and some were not taking the proper steps to curb infections. At the same time, Tedros acknowledged how difficult it was for governments to respond effectively, given the economic, social and cultural consequences of imposing restrictions. “The virus remains public enemy No.