FILES-US-HEALTH-VIRUS-SPREAD

据圣地亚哥县卫生官员，死于COVID-19的大部分本地人都有先前健康问题，5月13日他们列出了当地死亡病例中最常见的疾病。图为新冠病毒示意图(Lizabeth MENZIES / CDC/ AFP)

(FILES) This file handout illustration image obtained February 3, 2020, courtesy of the Centers for Disease Control and Prevention, and created at the Centers for Disease Control and Prevention (CDC), reveals ultrastructural morphology exhibited by the novel coronavirus, COVID-19. - American health authorities said February 25, 2020 they ultimately expect the novel coronavirus to spread in the United States and are urging local governments, businesses, and schools to develop plans like canceling mass gatherings or switching to teleworking. The comments mark a significant escalation in the level of threat being conveyed to the US public and come amid fears of a pandemic, as the disease has taken root in several countries outside China, including Iran, Italy, Japan, Singapore, South Korea, Taiwan and Thailand. (Photo by Lizabeth MENZIES / Centers for Disease Control and Prevention / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /CENTERS FOR DISEASE CONTROL AND PREVENTION/ALISSA ECKERT/HANDOUT " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS