Abdullatif Al‐Khal

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All published works

Action	Title	Year	Authors
+	Differential protection against SARS-CoV-2 reinfection pre- and post-Omicron	2025	Hiam Chemaitelly Houssein H. Ayoub Peter Coyle Patrick Tang Mohammad R. Hasan Hadi M. Yassine Asmaa A. Al Thani Zaina Al Kanaani Einas Alkuwari Andrew Jeremijenko
+ PDF Chat	Addressing bias in the definition of SARS-CoV-2 reinfection: implications for underestimation	2024	Hiam Chemaitelly Houssein H. Ayoub Patrick Tang Hadi M. Yassine Asmaa A. Al Thani Mohammad R. Hasan Peter Coyle Zaina Al Kanaani Einas Al Kuwari Andrew Jeremijenko
+ PDF Chat	SARS‐CoV‐2 infection and effects of age, sex, comorbidity, and vaccination among older individuals: A national cohort study	2023	Mai Mahmoud Houssein H. Ayoub Peter Coyle Patrick Tang Mohammad R. Hasan Hadi M. Yassine Asmaa A. Al Thani Zaina Al Kanaani Einas Al Kuwari Andrew Jeremijenko
+ PDF Chat	Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar	2023	Hiam Chemaitelly Houssein H. Ayoub Jeremy Samuel Faust Peter Coyle Patrick Tang Mohammad R. Hasan Hadi M. Yassine Hebah A. Al-Khatib Asmaa A. Al Thani Zaina Al Kanaani
+ PDF Chat	Short- and longer-term all-cause mortality among SARS-CoV-2- infected individuals and the pull-forward phenomenon in Qatar: a national cohort study	2023	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
+ PDF Chat	Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational study	2023	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
+ PDF Chat	A turning point in COVID-19 severity and fatality during the pandemic: A national cohort study in Qatar	2023	Hiam Chemaitelly Houssein H. Ayoub Jeremy Samuel Faust Peter Coyle Patrick Tang Mohammad R. Hasan Hadi M. Yassine Hebah A. Al-Khatib Asmaa A. Al Thani Zaina Al Kanaani
+ PDF Chat	All-cause and COVID-19 mortality in Qatar during the COVID-19 pandemic	2023	Asma Ali Al-Nuaimi Hiam Chemaitelly Sandy Semaan Sawsan AlMukdad Zaina Al Kanaani Anvar Hassan Kaleeckal Ali Nizar Latif Hamad Eid Al‐Romaihi Adeel A. Butt Mohamed H. Al‐Thani
+ PDF Chat	Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: An observational study	2023	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
+ PDF Chat	Short- and longer-term all-cause mortality among SARS-CoV-2-infected persons and the pull-forward phenomenon in Qatar	2023	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
+ PDF Chat	Evaluation of mortality attributable to SARS-CoV-2 vaccine administration using national level data from Qatar	2023	Adeel A. Butt Mylai D. Guerrero Elenor B. Canlas Husni Al-Dwairi Abeir Alimam Abdur Rehman Mohamad Mohammed T. Ali Nidal Asaad Ali Ahmed Sheikh Saleh Alkeldi Mohammad Fawaz Saber Mohammad
+	Protection from previous natural infection compared with mRNA vaccination against SARS-CoV-2 infection and severe COVID-19 in Qatar: a retrospective cohort study	2022	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
+ PDF Chat	Duration of immune protection of SARS-CoV-2 natural infection against reinfection	2022	Hiam Chemaitelly Nico Nagelkerke Houssein H. Ayoub Peter Coyle Patrick Tang Hadi M. Yassine Hebah A. Al-Khatib Maria K. Smatti Mohammad R. Hasan Zaina Al Kanaani
+ PDF Chat	COVID-19 Disease Severity in Persons Infected With Omicron BA.1 and BA.2 Sublineages and Association With Vaccination Status	2022	Adeel A. Butt Soha R. Dargham Peter Coyle Hadi M. Yassine Abdullatif Al‐Khal Abdul‐Badi Abou‐Samra Laith J. Abu‐Raddad
+ PDF Chat	Duration of immune protection of SARS-CoV-2 natural infection against reinfection in Qatar	2022	Hiam Chemaitelly Nico Nagelkerke Houssein H. Ayoub Peter Coyle Patrick Tang Hadi M. Yassine Hebah A. Al-Khatib Maria K. Smatti Mohammad R. Hasan Zaina Al Kanaani
+ PDF Chat	Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections	2022	Suelen H. Qassim Mohammad R. Hasan Patrick Tang Hiam Chemaitelly Houssein H. Ayoub Hadi M. Yassine Hebah A. Al-Khatib Maria K. Smatti Hanan F. Abdul Rahim Gheyath K. Nasrallah
+ PDF Chat	Relative infectiousness of SARS-CoV-2 vaccine breakthrough infections, reinfections, and primary infections	2022	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
+	Associations of Vaccination and of Prior Infection With Positive PCR Test Results for SARS-CoV-2 in Airline Passengers Arriving in Qatar	2021	Roberto Bertollini Hiam Chemaitelly Hadi M. Yassine Mohamed H. Al‐Thani Abdullatif Al‐Khal Laith J. Abu‐Raddad
+ PDF Chat	COVID‐19 vaccine hesitancy and attitudes in Qatar: A national cross‐sectional survey of a migrant‐majority population	2021	Majid Alabdulla Shuja Reagu Abdullatif Al‐Khal Marwa Elzain Roland M. Jones
+ PDF Chat	Effectiveness of the Middle East respiratory syndrome-coronavirus protocol in enhancing the function of an Emergency Department in Qatar	2015	Shinu Varughese Jen’nan Ghazal Read Abdullatif Al‐Khal Salem Abo Salah Yasser El Deeb Peter Cameron

Common Coauthors

Coauthor	Papers Together
Adeel A. Butt	17
Laith J. Abu‐Raddad	17
Hiam Chemaitelly	16
Roberto Bertollini	16
Hadi M. Yassine	16
Anvar Hassan Kaleeckal	15
Hamad Eid Al‐Romaihi	15
Ali Nizar Latif	15
Peter Coyle	15
Gheyath K. Nasrallah	14
Patrick Tang	14
Houssein H. Ayoub	14
Hanan F. Abdul Rahim	14
Zaina Al Kanaani	14
Riyazuddin Mohammad Shaik	13
Andrew Jeremijenko	12
Mohamed H. Al‐Thani	12
Mohammad R. Hasan	11
Hebah A. Al-Khatib	11
Mohamed Ghaith Al‐Kuwari	11
Einas Al Kuwari	11
Asmaa A. Al Thani	8
Jeremy Samuel Faust	4
Maria K. Smatti	4
Suelen H. Qassim	3
Mohamed Ghaith Al‐Kuwari	3
Mohammad R. Hasan	3
Einas Alkuwari	3
Mohamed H. Al-Thani	3
Andrew Jeremijenko	2
Abdul‐Badi Abou‐Samra	2
Sawsan AlMukdad	2
Harlan M. Krumholz	2
Nico Nagelkerke	2
Muna Almaslamani	1
Salem Abo Salah	1
Mai Mahmoud	1
Soha R. Dargham	1
Asma Ali Al-Nuaimi	1
Fatiha M. Benslimane	1
Mohammad Fawaz Saber Mohammad	1
Jen’nan Ghazal Read	1
Yasser El Deeb	1
Mohametabd H. Al-Thani	1
Abeir Alimam	1
Shuja Reagu	1
Peter Cameron	1
Husni Al-Dwairi	1
Sandy Semaan	1
Marwa Elzain	1

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+	Herd Immunity against Severe Acute Respiratory Syndrome Coronavirus 2 Infection in 10 Communities, Qatar	2021	Andrew Jeremijenko Hiam Chemaitelly Houssein H. Ayoub Moza Alishaq Abdul‐Badi Abou‐Samra Jameela Ali Al Ajmi Nasser Ansari Zaina Al Kanaani Abdullatif Al Khal Einas Al Kuwari	14
+ PDF Chat	SARS-CoV-2 Infection Is at Herd Immunity in the Majority Segment of the Population of Qatar	2021	Mohamed H. Al‐Thani Elmoubasher Farag Roberto Bertollini Hamad Eid Al‐Romaihi Sami Abdeen Ashraf Abdelkarim Faisal Daraan Ahmed Ismail Nahid Mostafa Mohamed Sahl	12
+	Mathematical modeling of the SARS-CoV-2 epidemic in Qatar and its impact on the national response to COVID-19	2021	Houssein H. Ayoub Hiam Chemaitelly Shaheen Seedat Monia Makhoul Zaina Al Kanaani Abdullatif Al Khal Einas Al Kuwari Adeel A. Butt Peter Coyle Andrew Jeremijenko	12
+	SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals	2021	Peter 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	12
+	SARS-CoV-2 infection hospitalization, severity, criticality, and fatality rates in Qatar	2021	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	12
+	SARS-CoV-2 reinfections: Overview of efficacy and duration of natural and hybrid immunity	2022	Stefan Pilz Verena Theiler‐Schwetz Christian Trummer Robert Krause John P. A. Ioannidis	11
+ PDF Chat	Duration of immune protection of SARS-CoV-2 natural infection against reinfection	2022	Hiam Chemaitelly Nico Nagelkerke Houssein H. Ayoub Peter Coyle Patrick Tang Hadi M. Yassine Hebah A. Al-Khatib Maria K. Smatti Mohammad R. Hasan Zaina Al Kanaani	7
+ PDF Chat	All-cause and COVID-19 mortality in Qatar during the COVID-19 pandemic	2023	Asma Ali Al-Nuaimi Hiam Chemaitelly Sandy Semaan Sawsan AlMukdad Zaina Al Kanaani Anvar Hassan Kaleeckal Ali Nizar Latif Hamad Eid Al‐Romaihi Adeel A. Butt Mohamed H. Al‐Thani	7
+	Using the Standardized Difference to Compare the Prevalence of a Binary Variable Between Two Groups in Observational Research	2009	Peter C. Austin	7
+ PDF Chat	Immunological characteristics govern the transition of COVID-19 to endemicity	2021	Jennie S. Lavine Ottar N. Bjørnstad Rustom Antia	6
+ PDF Chat	Efficacy of Natural Immunity against SARS-CoV-2 Reinfection with the Beta Variant	2021	Hiam Chemaitelly Roberto Bertollini Laith J. Abu‐Raddad	6
+ PDF Chat	Projecting the transmission dynamics of SARS-CoV-2 through the postpandemic period	2020	Stephen M. Kissler Christine Tedijanto Edward Goldstein Yonatan H. Grad Marc Lipsitch	6
+	Two prolonged viremic SARS-CoV-2 infections with conserved viral genome for two months	2020	Laith J. Abu‐Raddad Hiam Chemaitelly Joel A. Malek Ayeda A. Ahmed Yasmin A. Mohamoud Shameem Younuskunju Zaina Al Kanaani Abdullatif Al Khal Einas Al Kuwari Adeel A. Butt	5
+ PDF Chat	COVID-19 Disease Severity in Persons Infected With Omicron BA.1 and BA.2 Sublineages and Association With Vaccination Status	2022	Adeel A. Butt Soha R. Dargham Peter Coyle Hadi M. Yassine Abdullatif Al‐Khal Abdul‐Badi Abou‐Samra Laith J. Abu‐Raddad	5
+ PDF Chat	Short- and longer-term all-cause mortality among SARS-CoV-2- infected individuals and the pull-forward phenomenon in Qatar: a national cohort study	2023	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	4
+	Uncoupling of all-cause excess mortality from COVID-19 cases in a highly vaccinated state	2022	Jeremy Samuel Faust Benjamin Renton Alexander Chen Chengan Du Chenxue Liang Shu‐Xia Li Zhenqiu Lin Harlan M. Krumholz	4
+ PDF Chat	Short- and longer-term all-cause mortality among SARS-CoV-2-infected persons and the pull-forward phenomenon in Qatar	2023	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	4
+ PDF Chat	Relative infectiousness of SARS-CoV-2 vaccine breakthrough infections, reinfections, and primary infections	2022	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	3
+	Severity of SARS-CoV-2 Reinfections as Compared with Primary Infections	2021	Laith J. Abu‐Raddad Hiam Chemaitelly Roberto Bertollini	3
+	Estimates of global SARS-CoV-2 infection exposure, infection morbidity, and infection mortality rates in 2020	2021	Houssein H. Ayoub Ghina R. Mumtaz Shaheen Seedat Monia Makhoul Hiam Chemaitelly Laith J. Abu‐Raddad	3
+	Nonparametric Estimation from Incomplete Observations	1958	Edward L. Kaplan Paul Meier	3
+ PDF Chat	Using Big Data to Emulate a Target Trial When a Randomized Trial Is Not Available: Table 1.	2016	Miguel A. Hernán James M. Robins	3
+ PDF Chat	Depletion-of-susceptibles Bias in Analyses of Intra-season Waning of Influenza Vaccine Effectiveness	2019	G. Thomas Ray Ned Lewis Nicola P. Klein Matthew F. Daley Marc Lipsitch Bruce Fireman	3
+ PDF Chat	Analysis of matched case-control studies	2016	Neil Pearce	2
+ PDF Chat	Epidemiological investigation of the first 5685 cases of SARS-CoV-2 infection in Qatar, 28 February–18 April 2020	2020	Hanan M Al Kuwari Hanan F. Abdul Rahim Laith J. Abu‐Raddad Abdul‐Badi Abou‐Samra Zaina Al Kanaani Abdullatif Al Khal Einas Al Kuwari Salih Al Marri Muna Al Masalmani Hamad Eid Al‐Romaihi	2
+ PDF Chat	Estimating protection afforded by prior infection in preventing reinfection: applying the test-negative study design	2023	Houssein H. Ayoub Milan Tomy Hiam Chemaitelly Heba N. Altarawneh Peter Coyle Patrick Tang Mohammad R. Hasan Zaina Al Kanaani Einas Al Kuwari Adeel A. Butt	2
+	Severity, criticality, and fatality of the SARS-CoV-2 Beta variant	2021	Laith J. Abu‐Raddad Hiam Chemaitelly Houssein H. Ayoub Hadi M. Yassine Fatiha M. Benslimane Hebah A. Al-Khatib Patrick Tang Mohammad R. Hasan Peter Coyle Sawsan AlMukdad	2
+ PDF Chat	Temporal dynamics in viral shedding and transmissibility of COVID-19	2020	Xi He Eric H. Y. Lau Peng Wu Xilong Deng Jian Wang Xinxin Hao Yiu Chung Lau Jessica Y. Wong Yujuan Guan Xinghua Tan	2
+ PDF Chat	Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational study	2023	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	2
+ PDF Chat	Estimating excess mortality due to the COVID-19 pandemic: a systematic analysis of COVID-19-related mortality, 2020–21	2022	Haidong Wang Katherine Paulson Spencer A Pease Stefanie Watson Haley Comfort Peng Zheng Aleksandr Y. Aravkin Catherine Bisignano Ryan M Barber Shazia Alam	2
+ PDF Chat	Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar	2023	Hiam Chemaitelly Houssein H. Ayoub Jeremy Samuel Faust Peter Coyle Patrick Tang Mohammad R. Hasan Hadi M. Yassine Hebah A. Al-Khatib Asmaa A. Al Thani Zaina Al Kanaani	2
+ PDF Chat	SARS‐CoV‐2 infection and effects of age, sex, comorbidity, and vaccination among older individuals: A national cohort study	2023	Mai Mahmoud Houssein H. Ayoub Peter Coyle Patrick Tang Mohammad R. Hasan Hadi M. Yassine Asmaa A. Al Thani Zaina Al Kanaani Einas Al Kuwari Andrew Jeremijenko	2
+	Nonparametric Estimation from Incomplete Observations	1958	Edward L. Kaplan Paul Meier	2
+ PDF Chat	The WHO estimates of excess mortality associated with the COVID-19 pandemic	2022	William Msemburi Ariel Karlinsky Victoria Knutson Serge Aleshin‐Guendel Somnath Chatterji Jon Wakefield	2
+	Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infectivity by Viral Load, S Gene Variants and Demographic Factors, and the Utility of Lateral Flow Devices to Prevent Transmission	2021	Lennard Y. W. Lee Stefan Rozmanowski Matthew Pang André Charlett Charlotte Anderson G. Hughes Matthew Barnard Leon Peto Richard Vipond Alex Sienkiewicz	2
+ PDF Chat	Estimates of SARS-CoV-2 Omicron Variant Severity in Ontario, Canada	2022	Ana Cecilia Ulloa Sarah A. Buchan Nick Daneman Kevin A. Brown	1
+ PDF Chat	A Systematic Review of Coronavirus Disease 2019 Vaccine Efficacy and Effectiveness Against Severe Acute Respiratory Syndrome Coronavirus 2 Infection and Disease	2022	Melissa M. Higdon Brian Wahl Carli B. Jones Joseph G. Rosen Shaun Truelove Anurima Baidya Anjalika Nande Parisa A ShamaeiZadeh Karoline K Walter Daniel R. Feikin	1
+ PDF Chat	Duration of immune protection of SARS-CoV-2 natural infection against reinfection in Qatar	2022	Hiam Chemaitelly Nico Nagelkerke Houssein H. Ayoub Peter Coyle Patrick Tang Hadi M. Yassine Hebah A. Al-Khatib Maria K. Smatti Mohammad R. Hasan Zaina Al Kanaani	1
+	Protection from previous natural infection compared with mRNA vaccination against SARS-CoV-2 infection and severe COVID-19 in Qatar: a retrospective cohort study	2022	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	1
+ PDF Chat	COVID-19 Mortality and Progress Toward Vaccinating Older Adults — World Health Organization, Worldwide, 2020–2022	2023	Man Kai Wong Donald Brooks Juniorcaius Ikejezie Marta Gacic-Dobo Laure Dumolard Yoann Nedelec Claudia Steulet Zyleen Kassamali Ayşe Açma Brian Ngongheh Ajong	1
+ PDF Chat	The evolution of SARS-CoV-2	2023	Peter V. Markov Mahan Ghafari Martin Beer Katrina Lythgoe Peter Simmonds Nikolaos I. Stilianakis Aris Katzourakis	1
+ PDF Chat	Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: An observational study	2023	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	1
+ PDF Chat	A turning point in COVID-19 severity and fatality during the pandemic: A national cohort study in Qatar	2023	Hiam Chemaitelly Houssein H. Ayoub Jeremy Samuel Faust Peter Coyle Patrick Tang Mohammad R. Hasan Hadi M. Yassine Hebah A. Al-Khatib Asmaa A. Al Thani Zaina Al Kanaani	1
+ PDF Chat	2288. Short and Longer-Term All-Cause Mortality among SARS CoV-2-Infected Persons and the Pull-Forward Phenomenon in Qatar	2023	Hiam Chemaitelly Jeremy Samuel Faust Harlan M. Krumholz Houssein H. Ayoub Laith J. Abu‐Raddad	1
+	A Review on Smoothing Methods for the Estimation of the Hazard Rate Based on Kernel Functions	1992	Olaf Gefeller Peter Michels	1
+ PDF Chat	Addressing bias in the definition of SARS-CoV-2 reinfection: implications for underestimation	2024	Hiam Chemaitelly Houssein H. Ayoub Patrick Tang Hadi M. Yassine Asmaa A. Al Thani Mohammad R. Hasan Peter Coyle Zaina Al Kanaani Einas Al Kuwari Andrew Jeremijenko	1
+	Herd Immunity: History, Theory, Practice	1993	Paul Fine	1
+	The Impact of the SARS Outbreak on an Urban Emergency Department in Taiwan	2005	Wei-Kung Chen Yi‐Chang Cheng Yu-Ting Chung Cheng‐Chieh Lin	1
+	Pandemic influenza A/H1N1 vaccination uptake among health care workers in Qatar: Motivators and barriers	2010	Mohamed Ghaith Al‐Kuwari Nagah A. Aziz Zaher Nazzal Saad A. Al-Nuaimi	1
+ PDF Chat	Combining Clinical and Epidemiologic Features for Early Recognition of SARS	2004	John A. Jernigan Donald E. Low Rita F. Helfand	1