轉載CDC關於紐約病毒株溯源的調研文章https://www.globaldiasporanews.com/detection-and-genetic-characterization-of-community-based-sars-cov-2-infections-new-york-city-march-2020/
https://www.globaldiasporanews.com/detection-and-genetic-characterization-of-community-based-sars-cov-2-infections-new-york-city-march-2020/