SARS-CoV-2 S 1 and N-based serological assays reveal rapid seroconversion and induction 1 of specific antibody response in COVID-19 patients 2 3

SARS-CoV-2 S1 and N-based serological assays reveal rapid seroconversion and induction 1 of specific antibody response in COVID-19 patients 2 3 Abdullah Algaissi1,2,3,#, Mohamed A Alfaleh1,4,#, Sharif Hala5,6,#, Turki S Abujamel1,7, Sawsan S 4 Alamri1,8, Sarah A Almahboub1, Khalid A Alluhaybi1,4, Haya I Hobani1, Reem M Alsulaiman1, 5 Rahaf H AlHarbi1,9, M-Zaki ElAssouli1, Rowa Y Alhabbab1,7, Ahdab A AlSaieedi1,7, Wesam H 6 Abdulaal8, Afrah A AL-Somali10, Fadwa S Alofi11, Asim A Khogeer12, Almohanad A Alkayyal13, 7 Ahmad Bakur Mahmoud14, Naif AM Almontashiri15, Arnab Pain5,16,17, Anwar M Hashem1,18,* 8 9 1 Vaccines and Immunotherapy Unit, King Fahd Medical Research Center; King Abdulaziz 10 University, Jeddah, Saudi Arabia 11 2 Department of Medical Laboratories Technology, College of Applied Medical Sciences, Jazan 12 University, Jazan, Saudi Arabia 13 3 Medical Research Center, Jazan University, Jazan, Saudi Arabia 14 4 Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia 15 5 Pathogen Genomics Laboratory, Division of Biological and Environmental Sciences and 16 Engineering (BESE), Thuwal, Saudi Arabia 17 6 King Abdullah International Medical Research Centre, King Saud University for Health 18 Sciences, Ministry of National Guard Health Affairs, Jeddah, Saudi Arabia 19 7 Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King 20 Abdulaziz University, Jeddah, Saudi Arabia 21 8 Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi 22 Arabia 23 Preprints (www.preprints.org) | NOT PEER-REVIEWED | Posted: 2 July 2020 doi:10.20944/preprints202005.0188.v2