Molecular Detection of Influenza A and B Viruses in Four Consecutive Influenza Seasons 2015–16 to 2018–19 in a Tertiary Center in Western Saudi Arabia

by Abdulhakeem Althaqafi, Fayssal Farahat, Asim Alsaedi, Majid Alshamrani, Moneerah S. Alsaeed, Baraa AlhajHussein, Sherif A. El-Kafrawy, Esam I. Azhar
Published 2021-05-01

Evaluation of a Pseudovirus Neutralization Assay for SARS-CoV-2 and Correlation with Live Virus-Based Micro Neutralization Assay

by Ahmed Majdi K. Tolah, Sayed S. Sohrab, Khaled Majdi K. Tolah, Ahmed M. Hassan, Sherif A. El-Kafrawy, Esam I. Azhar
Published 2021-05-01

Immunotherapeutic Efficacy of IgY Antibodies Targeting the Full-Length Spike Protein in an Animal Model of Middle East Respiratory Syndrome Coronavirus Infection

by Sherif A. El-Kafrawy, Aymn T. Abbas, Sayed S. Sohrab, Ashraf A. Tabll, Ahmed M. Hassan, Naoko Iwata-Yoshikawa, Noriyo Nagata, Esam I. Azhar
Published 2021-05-01

Anti-S1 MERS-COV IgY Specific Antibodies Decreases Lung Inflammation and Viral Antigen Positive Cells in the Human Transgenic Mouse Model

by Aymn T. Abbas, Sherif A. El-Kafrawy, Sayed Sartaj Sohrab, Ashraf A. Tabll, Ahmed M. Hassan, Naoko Iwata-Yoshikawa, Noriyo Nagata, Esam I. Azhar
Published 2020-11-01

A Direct Method for RT-PCR Detection of SARS-CoV-2 in Clinical Samples

by Sherif A. El-Kafrawy, Mai M. El-Daly, Ahmed M. Hassan, Reham M. Kaki, Adel M. Abuzenadah, Mohammad A. Kamal, Esam I. Azhar
Published 2021-01-01

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

Dominance of the ON1 Genotype of RSV-A and BA9 Genotype of RSV-B in Respiratory Cases from Jeddah, Saudi Arabia

by Hessa A. Al-Sharif, Sherif A. El-Kafrawy, Jehad M. Yousef, Taha A. Kumosani, Mohammad A. Kamal, Norah A. Khathlan, Reham M. Kaki, Abeer A. Alnajjar, Esam I. Azhar
Published 2020-11-01

Mortality in COVID-19 disease patients: Correlating the association of major histocompatibility complex (MHC) with severe acute respiratory syndrome 2 (SARS-CoV-2) variants

by Eric de Sousa, Dário Ligeiro, Joana R. Lérias, Chao Zhang, Chiara Agrati, Mohamed Osman, Sherif A. El-Kafrawy, Esam I. Azhar, Giuseppe Ippolito, Fu-Sheng Wang, Alimuddin Zumla, Markus Maeurer
Published 2020-09-01

Pattern of Respiratory Viruses among Pilgrims during 2019 Hajj Season Who Sought Healthcare Due to Severe Respiratory Symptoms

by Salma M. Alsayed, Thamir A. Alandijany, Sherif A. El-Kafrawy, Ahmed M. Hassan, Leena H. Bajrai, Arwa A. Faizo, Eman A. Mulla, Lujain S. Aljahdali, Khalid M. Alquthami, Alimuddin Zumla, Esam I. Azhar
Published 2021-03-01

Prevalence and molecular characterization of hepatitis D virus in Saudi Arabia: A single-center study

by Ghazi A Jamjoom, Mai M El-Daly, Esam I Azhar, Hind I Fallatah, Hisham O Akbar, Mohammed Babatin, Abdullah S Alghamdi, Mohammed I Dgdgi, Mohamed A Hamid, Yousef A Qari, Sherif A El-Kafrawy
Published 2017-01-01

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

Reducing mortality and morbidity in patients with severe COVID-19 disease by advancing ongoing trials of Mesenchymal Stromal (stem) Cell (MSC) therapy — Achieving global consensus...

by Alimuddin Zumla, Fu-Sheng Wang, Giuseppe Ippolito, Nicola Petrosillo, Chiara Agrati, Esam I. Azhar, Chao Chang, Sherif A. El-Kafrawy, Mohamed Osman, Laurence Zitvogel, Peter R. Galle, Franco Locatelli, Ellen Gorman, Carlos Cordon-Cardo, Cecilia O’Kane, Danny McAuley, Markus Maeurer
Published 2020-07-01

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

Longevity of Middle East Respiratory Syndrome Coronavirus Antibody Responses in Humans, Saudi Arabia

by Abeer N. Alshukairi, Jincun Zhao, Maha A. Al-Mozaini, Yanqun Wang, Ashraf Dada, Salim A. Baharoon, Sara Alfaraj, Waleed A. Ahmed, Mushira A. Enani, Fatehi E. Elzein, Nazik Eltayeb, Laila Layqah, Aiman El-Saed, Husam A. Bahaudden, Abdul Haseeb, Sherif A. El-Kafrawy, Ahmed M. Hassan, Najlaa A. Siddiq, Ibtihaj Alsharif, Isamel Qushmaq, Esam I. Azhar, Stanley Perlman, Ziad A. Memish
Published 2021-05-01

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