TY - GENERIC DO - 10.20944/preprints202004.0024.v1 UR - http://dx.doi.org/10.20944/preprints202004.0024.v1 TI - Emergence of Drift Variants That May Affect COVID-19 Vaccine Development and Antibody Treatment T2 - Preprints AU - Koyama, Takahiko AU - Weeraratne, Dilhan AU - Snowdon, Jane L. AU - Parida, Laxmi PY - 2020 DA - 2020/04/03 PB - Preprints