Effectiveness of influenza vaccination against SARS-CoV-2 infection among healthcare workers in Qatar

by Elias Tayar, Sami Abdeen, Muna Abed Alah, Hiam Chemaitelly, Iheb Bougmiza, Houssein H. Ayoub, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Roberto Bertollini, Laith J. Abu-Raddad, Abdullatif Al-Khal
Published 2023-02-01

Immediate and contributory causes of death in patients hospitalized with COVID-19

by Adeel A. Butt, Mylai D. Guerrero, Elenor B. Canlas, Husni Al-Dwairi, Aseel Hatem Subhi Alzibdeh, Thasneem Odaippurath, Ali Ahmed Sheikh Saleh Alkeldi, Mohammad Fawaz Saber Mohammad, Anil G. Thomas, Sherin Shams, Samah Saleem, Fathima Hanana, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Abdullatif Al-Khal, Muna Al-Maslamani, Abdul-Badi Abou-Samra
Published 2023-07-01

COVID-19 risk score as a public health tool to guide targeted testing: A demonstration study in Qatar.

by Laith J Abu-Raddad, Soha Dargham, Hiam Chemaitelly, Peter Coyle, Zaina Al Kanaani, Einas Al Kuwari, Adeel A Butt, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F Abdul Rahim, Gheyath K Nasrallah, Hadi M Yassine, Mohamed G Al Kuwari, Hamad Eid Al Romaihi, Mohamed H Al-Thani, Abdullatif Al Khal, Roberto Bertollini
Published 2022-01-01

COVID-19 risk score as a public health tool to guide targeted testing: A demonstration study in Qatar

by Laith J. Abu-Raddad, Soha Dargham, Hiam Chemaitelly, Peter Coyle, Zaina Al Kanaani, Einas Al Kuwari, Adeel A. Butt, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul Rahim, Gheyath K. Nasrallah, Hadi M. Yassine, Mohamed G. Al Kuwari, Hamad Eid Al Romaihi, Mohamed H. Al-Thani, Abdullatif Al Khal, Roberto Bertollini
Published 2022-01-01

SARS-CoV-2 infection hospitalization, severity, criticality, and fatality rates in Qatar

by Shaheen Seedat, Hiam Chemaitelly, Houssein H. Ayoub, Monia Makhoul, Ghina R. Mumtaz, Zaina Al Kanaani, Abdullatif Al Khal, Einas Al Kuwari, Adeel A. Butt, Peter Coyle, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hadi M. Yassine, Mohamed G. Al Kuwari, Hamad Eid Al Romaihi, Mohamed H. Al-Thani, Roberto Bertollini, Laith J. Abu-Raddad
Published 2021-09-01

Introduction and expansion of the SARS-CoV-2 B.1.1.7 variant and reinfections in Qatar: A nationally representative cohort study.

by Laith J Abu-Raddad, Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, Joel A Malek, Ayeda A Ahmed, Yasmin A Mohamoud, Shameem Younuskunju, Patrick Tang, Zaina Al Kanaani, Einas Al Kuwari, Adeel A Butt, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F Abdul Rahim, Gheyath K Nasrallah, Hadi M Yassine, Mohamed Ghaith Al Kuwari, Hamad Eid Al Romaihi, Mohamed H Al-Thani, Abdullatif Al Khal, Roberto Bertollini
Published 2021-12-01

SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy

by Laith J. Abu-Raddad, Hiam Chemaitelly, Peter Coyle, Joel A. Malek, Ayeda A. Ahmed, Yasmin A. Mohamoud, Shameem Younuskunju, Houssein H. Ayoub, Zaina Al Kanaani, Einas Al Kuwari, Adeel A. Butt, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul Rahim, Gheyath K. Nasrallah, Hadi M. Yassine, Mohamed Ghaith Al Kuwari, Hamad Eid Al Romaihi, Mohamed H. Al-Thani, Abdullatif Al Khal, Roberto Bertollini
Published 2021-05-01

Relative infectiousness of SARS-CoV-2 vaccine breakthrough infections, reinfections, and primary infections

by Laith J. Abu-Raddad, Hiam Chemaitelly, Houssein H. Ayoub, Patrick Tang, Peter Coyle, Mohammad R. Hasan, Hadi M. Yassine, Fatiha M. Benslimane, Hebah A. Al-Khatib, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Adeel A. Butt, Hamad Eid Al-Romaihi, Abdullatif Al-Khal, Mohametabd H. Al-Thani, Roberto Bertollini
Published 2022-01-01

Analytic comparison between three high-throughput commercial SARS-CoV-2 antibody assays reveals minor discrepancies in a high-incidence population

by Gheyath K. Nasrallah, Soha R. Dargham, Farah Shurrab, Duaa W. Al-Sadeq, Hadeel Al-Jighefee, Hiam Chemaitelly, Zaina Al Kanaani, Abdullatif Al Khal, Einas Al Kuwari, Peter Coyle, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul Rahim, Hadi M. Yassine, Mohamed G. Al Kuwari, Hamda Qotba, Hamad Eid Al Romaihi, Patrick Tang, Roberto Bertollini, Mohamed H. Al-Thani, Asmaa A. Althani, Laith J. Abu-Raddad
Published 2021-06-01

Protection of Omicron sub-lineage infection against reinfection with another Omicron sub-lineage

by Hiam Chemaitelly, Houssein H. Ayoub, Peter Coyle, Patrick Tang, Hadi M. Yassine, Hebah A. Al-Khatib, Maria K. Smatti, Mohammad R. Hasan, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Adeel A. Butt, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Laith J. Abu-Raddad
Published 2022-08-01

Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational studyResearch in context

by Suelen H. Qassim, Hiam Chemaitelly, Houssein H. Ayoub, Peter Coyle, Patrick Tang, Hadi M. Yassine, Asmaa A. Al Thani, Hebah A. Al-Khatib, Mohammad R. Hasan, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Adeel A. Butt, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Laith J. Abu-Raddad
Published 2023-08-01

Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in Qatar

by Hiam Chemaitelly, Houssein H. Ayoub, Sawsan AlMukdad, Peter Coyle, Patrick Tang, Hadi M. Yassine, Hebah A. Al-Khatib, Maria K. Smatti, Mohammad R. Hasan, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Adeel A. Butt, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Laith J. Abu-Raddad
Published 2022-06-01

Effects of previous infection, vaccination, and hybrid immunity against symptomatic Alpha, Beta, and Delta SARS-CoV-2 infections: an observational studyResearch in context

by Heba N. Altarawneh, Hiam Chemaitelly, Houssein H. Ayoub, Patrick Tang, Mohammad R. Hasan, Hadi M. Yassine, Hebah A. Al-Khatib, Asmaa A. Al Thani, Peter Coyle, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Adeel A. Butt, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Laith J. Abu-Raddad
Published 2023-09-01

Assessing the performance of a serological point-of-care test in measuring detectable antibodies against SARS-CoV-2.

by Peter V Coyle, Reham Awni El Kahlout, Soha R Dargham, Hiam Chemaitelly, Mohamed Ali Ben Hadj Kacem, Naema Hassan Abdulla Al-Mawlawi, Imtiaz Gilliani, Nourah Younes, Zaina Al Kanaani, Abdullatif Al Khal, Einas Al Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F Abdul Rahim, Gheyath K Nasrallah, Hadi M Yassine, Mohamed G Al Kuwari, Hamad Eid Al Romaihi, Patrick Tang, Roberto Bertollini, Mohamed H Al-Thani, Laith J Abu-Raddad
Published 2022-01-01

Assessing the performance of a serological point-of-care test in measuring detectable antibodies against SARS-CoV-2

by Peter V. Coyle, Reham Awni El Kahlout, Soha R. Dargham, Hiam Chemaitelly, Mohamed Ali Ben Hadj Kacem, Naema Hassan Abdulla Al-Mawlawi, Imtiaz Gilliani, Nourah Younes, Zaina Al Kanaani, Abdullatif Al Khal, Einas Al Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul Rahim, Gheyath K. Nasrallah, Hadi M. Yassine, Mohamed G. Al Kuwari, Hamad Eid Al Romaihi, Patrick Tang, Roberto Bertollini, Mohamed H. Al-Thani, Laith J. Abu-Raddad
Published 2022-01-01

Short- and longer-term all-cause mortality among SARS-CoV-2- infected individuals and the pull-forward phenomenon in Qatar: a national cohort study

by Hiam Chemaitelly, Jeremy Samuel Faust, Harlan M. Krumholz, Houssein H. Ayoub, Patrick Tang, Peter Coyle, Hadi M. Yassine, Asmaa A. Al Thani, Hebah A. Al-Khatib, Mohammad R. Hasan, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Adeel A. Butt, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Laith J. Abu-Raddad
Published 2023-11-01

SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals

by Peter V. Coyle, Hiam Chemaitelly, Mohamed Ali Ben Hadj Kacem, Naema Hassan Abdulla Al Molawi, Reham Awni El Kahlout, Imtiaz Gilliani, Nourah Younes, Ghada Ali A.A. Al Anssari, Zaina Al Kanaani, Abdullatif Al Khal, Einas Al Kuwari, Adeel A. Butt, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul Rahim, Gheyath K. Nasrallah, Hadi M. Yassine, Mohamed Ghaith Al Kuwari, Hamad Eid Al Romaihi, Mohamed H. Al-Thani, Roberto Bertollini, Laith J. Abu-Raddad
Published 2021-06-01

Herd Immunity against Severe Acute Respiratory Syndrome Coronavirus 2 Infection in 10 Communities, Qatar

by Andrew Jeremijenko, Hiam Chemaitelly, Houssein H. Ayoub, Moza Alishaq, Abdul-Badi Abou-Samra, Jameela Ali A.A. Al Ajmi, Nasser Ali Asad Al Ansari, Zaina Al Kanaani, Abdullatif Al Khal, Einas Al Kuwari, Ahmed Al-Mohammed, Naema Hassan Abdulla Al Molawi, Huda Mohamad Al Naomi, Adeel A. Butt, Peter Coyle, Reham Awni El Kahlout, Imtiaz Gillani, Anvar Hassan Kaleeckal, Naseer Ahmad Masoodi, Anil George Thomas, Hanaa Nafady-Hego, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Nourah B.M. Younes, Hanan F. Abdul Rahim, Hadi M. Yassine, Mohamed G. Al Kuwari, Hamad Eid Al Romaihi, Mohamed H. Al-Thani, Roberto Bertollini, Laith J. Abu-Raddad
Published 2021-05-01

Addressing bias in the definition of SARS-CoV-2 reinfection: implications for underestimation

by Hiam Chemaitelly, Hiam Chemaitelly, Hiam Chemaitelly, Houssein H. Ayoub, Patrick Tang, Hadi M. Yassine, Hadi M. Yassine, Asmaa A. Al Thani, Asmaa A. Al Thani, Mohammad R. Hasan, Peter Coyle, Peter Coyle, Peter Coyle, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Adeel A. Butt, Adeel A. Butt, Adeel A. Butt, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Laith J. Abu-Raddad, Laith J. Abu-Raddad, Laith J. Abu-Raddad, Laith J. Abu-Raddad, Laith J. Abu-Raddad
Published 2024-03-01

Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections

by Suelen H. Qassim, Suelen H. Qassim, Suelen H. Qassim, Mohammad R. Hasan, Patrick Tang, Hiam Chemaitelly, Hiam Chemaitelly, Hiam Chemaitelly, Houssein H. Ayoub, Hadi M. Yassine, Hadi M. Yassine, Hebah A. Al-Khatib, Hebah A. Al-Khatib, Maria K. Smatti, Maria K. Smatti, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Abdullatif Al-Khal, Peter Coyle, Peter Coyle, Peter Coyle, Imtiaz Gillani, Anvar Hassan Kaleeckal, Riyazuddin Mohammad Shaik, Ali Nizar Latif, Einas Al-Kuwari, Andrew Jeremijenko, Adeel A. Butt, Adeel A. Butt, Adeel A. Butt, Roberto Bertollini, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Laith J. Abu-Raddad, Laith J. Abu-Raddad, Laith J. Abu-Raddad, Laith J. Abu-Raddad
Published 2022-09-01