Coast-to-Coast Spread of SARS-CoV-2 during the Early Epidemic in the United StatesJoseph R. Fauver, Nathan D. Grubaugh, Hanna Y. Ehrlich et al.|Cell|2020Cited by 375
Cryptic transmission of SARS-CoV-2 in Washington stateTrevor Bedford, Anna Uehara, Alexander L. Greninger et al.|Science|2020Cited by 323