A Reliable Indirect ELISA Protocol for Detection of Human Antibodies Directed to SARS-CoV-2 NP Protein

by Arwa A. Faizo, Thamir A. Alandijany, Ayman T. Abbas, Sayed S. Sohrab, Sherif A. El-Kafrawy, Ahmed M. Tolah, Ahmed M. Hassan, Esam I. Azhar
Published 2021-05-01

Development and Optimization of In-house ELISA for Detection of Human IgG Antibody to SARS-CoV-2 Full Length Spike Protein

by Thamir A. Alandijany, Sherif A. El-Kafrawy, Ahmed M. Tolah, Sayed S. Sohrab, Arwa A. Faizo, Ahmed M. Hassan, Tagreed L. Alsubhi, Norah A. Othman, Esam I. Azhar
Published 2020-09-01

Prevalence of human papillomavirus in Jeddah, Saudi Arabia

by Manar Mousa, Sawsan S. Al-amri, Afnan A. Degnah, Ahmed M. Tolah, Hanin H. Abduljabbar, Ayman M. Oraif, Hassan S. Abduljabbar, Ahmed A. Mirza, Esam I. Azhar, Anwar M. Hashem
Published 2019-12-01

Lack of Antibodies to SARS-CoV-2 among Blood Donors during COVID-19 Lockdown: A Study from Saudi Arabia

by Thamir A. Alandijany, Sherif A. El-Kafrawy, Abrar A. Al-Ghamdi, Fadi S. Qashqari, Arwa A. Faizo, Ahmed M. Tolah, Ahmed M. Hassan, Sayed S. Sohrab, Salwa I. Hindawi, Maha A. Badawi, Esam I. Azhar
Published 2021-01-01

Cross-sectional prevalence study of MERS-CoV in local and imported dromedary camels in Saudi Arabia, 2016-2018.

by Ahmed M Tolah, Saad B Al Masaudi, Sherif A El-Kafrawy, Ahmed A Mirza, Steve M Harakeh, Ahmed M Hassan, Mohammed A Alsaadi, Abdulrahman A Alzahrani, Ghaleb A Alsaaidi, Nabil M S Amor, Abdulaziz N Alagaili, Anwar M Hashem, Esam I Azhar
Published 2020-01-01

Seroprevalence of neutralizing antibodies to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) among healthcare workers in Makkah, Saudi Arabia

by Waleed A. Ahmed, Ashraf Dada, Abeer N. Alshukairi, Sayed S. Sohrab, Arwa A. Faizo, Ahmed M. Tolah, Sherif A. El-Kafrawy, Leena H. Bajrai, Hanan M. Moalim, Mohamed H. Aly, Ahmed F. Aboelazm, Mohammed A. Al-Hamzi, Mohammed F. Saeedi, Thamir A. Alandijany, Esam I. Azhar
Published 2021-05-01

Re-infection with a different SARS-CoV-2 clade and prolonged viral shedding in a hematopoietic stem cell transplantation patient

by Abeer N. Alshukairi, Sherif A. El-Kafrawy, Ashraf Dada, Muhammad Yasir, Amani H. Yamani, Mohammed F. Saeedi, Ahmed Aljohaney, Naif I. AlJohani, Husam A. Bahaudden, Intikhab Alam, Takashi Gojobori, Aleksandar Radovanovic, Thamir A. Alandijany, Norah A. Othman, Tagreed L. Alsubhi, Ahmed M. Hassan, Ahmed M. Tolah, Jaffar A. Al-Tawfiq, Alimuddin Zumla, Esam I Azhar
Published 2021-09-01

Test-based de-isolation in COVID-19 immunocompromised patients: Cycle threshold value versus SARS-CoV-2 viral culture

by Abeer N. Alshukairi, Ahmed M. Tolah, Ashraf Dada, Jaffar A. Al-Tawfiq, Reem S. Almagharbi, Mohammed F. Saeedi, Mohammed A. Al-Hamzi, Sherif A. El-Kafrawy, Husam A. Bahaudden, Aiman El-Saed, Maha A. Al-Mozaini, Imran Khalid, Lama K. Hefni, Ahmed M. Hassan, Thamir A. Alandijany, Leena H. Bajrai, Daniyah T. Bayumi, Ghadeer E. Albishi, Sahar I. Althawadi, Najla A. Zabani, Stanley Perlman, Esam I. Azhar
Published 2021-07-01

Enzootic patterns of Middle East respiratory syndrome coronavirus in imported African and local Arabian dromedary camels: a prospective genomic study

by Sherif A El-Kafrawy, PhD, Victor M Corman, MD, Ahmed M Tolah, PhD, Saad B Al Masaudi, PhD, Ahmed M Hassan, PhD, Marcel A Müller, PhD, Tobias Bleicker, Steve M Harakeh, PhD, Abdulrahman A Alzahrani, PhD, Ghaleb A Alsaaidi, PhD, Abdulaziz N Alagili, PhD, Anwar M Hashem, PhD, Alimuddin Zumla, ProfFRCP, Christian Drosten, ProfMD, Esam I Azhar, ProfFRCP
Published 2019-12-01