有关新型冠状病毒英文报道

新型冠状病毒的出现引起中国和全球的关注，中国科学家短短十几天就已经了解了这个病毒的特征，比如它的基因结构，传染途径，潜伏期以及症状。视频中英文关键词如下：emerge, surface proteins, the tips of a crown, strains, SARS, MERS, infected, originated in Saudi Arabia, affected patients, less lethal, seasonal influenza flu, mounting evidence, contagious, coughs, droplets, pneumonia, incubation period, crucial。