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美国流行病学家认为，美国当前处于应对新冠肺炎疫情的“新阶段”，疫情正在“极其广泛地蔓延”。专家警告说，美国冬季可能遭遇流感和新冠病毒“双重”暴发。 Teamsters Local 848 truck driver Carlos Gonzalez sits to be tested for COVID-19 at a testing site provided by the International Brotherhood of Teamsters in Long Beach, California, US, on July 16, 2020. [Photo/Agencies] Public health experts, researchers and manufacturers warn the coming flu season could bring a “double-barrel” respiratory disease outbreak in the United States, just as fall and winter are expected to exacerbate the spread of Covid-19. 新冠病毒的传播预计会在秋冬季加剧，公共卫生专家、研究人员和制造商警告说，美国即将到来的流感季可能会带来“双重”呼吸道疾病的暴发。 At the same time, researchers said the strategies currently used to prevent Covid-19 transmission – namely, hand-washing, mask-wearing and social distancing – could also help lessen flu outbreaks, if Americans are willing to practice them. 与此同时，研究人员表示，目前用于预防新冠病毒传播的策略，即洗手、戴口罩和保持社交距离，也可能有助于减轻流感暴发，如果美国人愿意这么做的话。 “We will be faced with basically a double-barrel respiratory virus season, both influenza and Covid,” said Dr William Schaffner, medical director for the National Foundation for Infectious Diseases and a professor of medicine at the Vanderbilt University School of Medicine in Tennessee. | 
