Presence of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Antibodies Among Vietnamese Healthcare Workers by Dosing Interval for ChAdOx1 nCoV-19 Vaccine. - Vu, Dien M; Vu, Diep T B; Do, Thuy T T; Olmsted, Allison E; Dao, Bach H; Thai, Truc T; Nguyen, Chi L; Le, Nhung T T; Le, Tuan A; Bui, Hien T T; Pham, Thach N; Moore, Matthew R (Clinical Infectious Diseases, 2022)