John Ojal

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All published works

Action	Title	Year	Authors
+ PDF Chat	Revealing the extent of the first wave of the COVID-19 pandemic in Kenya based on serological and PCR-test data	2022	John Ojal Samuel P. C. Brand Vincent Were Emelda A. Okiro Ivy K. Kombe Caroline Mburu Rabia Aziza Morris Ogero Ambrose Agweyu George M. Warimwe
+ PDF Chat	A computational framework for modelling infectious disease policy based on age and household structure with applications to the COVID-19 pandemic	2022	Joe Hilton Heather Riley Lorenzo Pellis Rabia Aziza Samuel P. C. Brand Ivy K. Kombe John Ojal Andrea Parisi Matt J. Keeling D. James Nokes
+ PDF Chat	Epidemiological impact and cost-effectiveness analysis of COVID-19 vaccination in Kenya	2022	Stacey Orangi John Ojal Samuel P. C. Brand Cameline Orlendo Angela Kairu Rabia Aziza Morris Ogero Ambrose Agweyu George M. Warimwe Sophie Uyoga
+	Social mixing patterns relevant to infectious diseases spread by close contact in urban Blantyre, Malawi	2022	Deus Thindwa Kondwani Jambo John Ojal Peter MacPherson Mphatso D. Phiri Amy Pinsent McEwen Khundi Lingstone Chiume Katherine E. Gallagher Robert S. Heyderman
+ PDF Chat	Epidemiological impact and cost-effectiveness analysis of COVID-19 vaccination in Kenya	2022	Stacey Orangi John Ojal Samuel P. C. Brand Cameline Orlendo Angela Kairu Rabia Aziza Morris Ogero Ambrose Agweyu George M. Warimwe Sophie Uyoga
+ PDF Chat	Examining the unit costs of COVID-19 vaccine delivery in Kenya	2022	Stacey Orangi Angela Kairu Anthony Ngatia John Ojal Edwine Barasa
+ PDF Chat	Revealing the extent of the first wave of the COVID-19 pandemic in Kenya based on serological and PCR-test data	2022	John Ojal Samuel P. C. Brand Vincent Were Emelda A. Okiro Ivy K. Kombe Caroline Mburu Rabia Aziza Morris Ogero Ambrose Agweyu George M. Warimwe
+	A computational framework for modelling infectious disease policy based on age and household structure with applications to the COVID-19 pandemic	2022	Joe Hilton Heather Riley Lorenzo Pellis Rabia Aziza Sam Brand Ivy K. Kombe John Ojal Andrea Parisi Matt J. Keeling D. James Nokes
+ PDF Chat	Social mixing patterns relevant to infectious diseases spread by close contact in urban Blantyre, Malawi	2021	Deus Thindwa Kondwani Jambo John Ojal Peter MacPherson Mphatso D. Phiri McEwen Khundi Lingstone Chiume Katherine E. Gallagher Robert S. Heyderman Elizabeth L. Corbett
+	Examining the Unit Costs of COVID-19 Vaccine Delivery in Kenya	2021	Stacey Orangi Angela Kairu Anthony Ngatia John Ojal Edwine Barasa
+	COVID-19 transmission dynamics underlying epidemic waves in Kenya	2021	Samuel P. C. Brand John Ojal Rabia Aziza Vincent Were Emelda A. Okiro Ivy K. Kombe Caroline Mburu Morris Ogero Ambrose Agweyu George M. Warimwe
+	COVID-19 Transmission Dynamics Underlying Epidemic Waves in Kenya	2021	Samuel P. C. Brand John Ojal Rabia Aziza Vincent Were Emelda A. Okiro Ivy K. Kombe Caroline M. Mburu Morris Ogero Ambrose Agweyu George M. Warimwe
+	Revealing the extent of the first wave of the COVID-19 pandemic in Kenya based on serological and PCR-test data	2021	John Ojal Samuel P. C. Brand Vincent Were Emelda A. Okiro Ivy K. Kombe Caroline Mburu Rabia Aziza Morris Ogero Ambrose Agweyu George M. Warimwe
+ PDF Chat	The importance of supplementary immunisation activities to prevent measles outbreaks during the COVID-19 pandemic in Kenya	2021	Caroline Mburu John Ojal R. Chebet Donald Akech Boniface Karia James Tuju Antipa Sigilai Kaja Abbas Mark Jit Sebastian Funk
+	Revealing the extent of the COVID-19 pandemic in Kenya based on serological and PCR-test data	2020	John Ojal Samuel P. C. Brand Vincent Were Emelda A. Okiro Ivy K. Kombe Caroline Mburu Rabia Aziza Morris Ogero Ambrose Agweyu George M. Warimwe
+	The importance of supplementary immunisation activities to prevent measles outbreaks during the COVID-19 pandemic in Kenya	2020	CN Mburu John Ojal R. Chebet Donald Akech Boniface Karia James Tuju Antipa Sigilai Kaja Abbas Mark Jit Sebastian Funk
+	Replication Data for: Revealing the extent of the COVID-19 pandemic in Kenya based on serological and PCR-test data	2020	John Ojal Samuel P. C. Brand Vincent Were Emelda A. Okiro Ivy K. Kombe Caroline Mburu Rabia Aziza Morris Ogero Ambrose Agweyu George M. Warimwe
+	Replication Data for: Revealing the extent of the COVID-19 pandemic in Kenya based on serological and PCR-test data deaths_21feb_6aug.tab	2020	John Ojal Samuel P. C. Brand Vincent Were Emelda A. Okiro Ivy K. Kombe Caroline Mburu Rabia Aziza Morris Ogero Ambrose Agweyu George M. Warimwe

Common Coauthors

Coauthor	Papers Together
D. James Nokes	13
Edwine Barasa	12
Rabia Aziza	12
Matt J. Keeling	12
Samuel P. C. Brand	11
Ivy K. Kombe	10
Morris Ogero	10
Kadondi Kasera	10
Mercy Mwangangi	10
Edward Otieno	10
Ambrose Agweyu	10
Philip Bejon	10
Patrick Amoth	10
Wangari Ng’ang’a	10
J. Anthony G. Scott	10
Lynette Isabella Ochola‐Oyier	10
Sophie Uyoga	10
Charles N. Agoti	10
Rashid Aman	10
George M. Warimwe	10
Ifedayo Adetifa	9
Vincent Were	8
Caroline Mburu	8
Emelda A. Okiro	8
Benjamin Tsofa	8
Stefan Flasche	6
Stacey Orangi	4
Angela Kairu	4
Deus Thindwa	2
Lorenzo Pellis	2
Cameline Orlendo	2
Anthony Ngatia	2
Andrea Parisi	2
Mark Otiende	2
Kaja Abbas	2
Nickson Murunga	2
George Githinji	2
McEwen Khundi	2
Robert S. Heyderman	2
Boniface Karia	2
Peter MacPherson	2
Mark Jit	2
Mphatso Dennis Phiri	2
Daisy Mugo	2
Lingstone Chiume	2
Henry Karanja	2
Thomas House	2
Neil French	2
Sebastian Funk	2
James Tuju	2

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+ PDF Chat	Seroprevalence of anti–SARS-CoV-2 IgG antibodies in Kenyan blood donors	2020	Sophie Uyoga Ifedayo Adetifa Henry Karanja James Nyagwange James Tuju Perpetual Wanjiku Rashid Aman Mercy Mwangangi Patrick Amoth Kadondi Kasera	7
+ PDF Chat	Quantifying SARS-CoV-2 transmission suggests epidemic control with digital contact tracing	2020	Luca Ferretti Chris Wymant Michelle Kendall Lele Zhao Anel Nurtay Lucie Abeler‐Dörner Michael Parker David Bonsall Christophe Fraser	7
+	Estimates of the severity of coronavirus disease 2019: a model-based analysis	2020	Robert Verity Lucy Okell Ilaria Dorigatti Peter Winskill Charles Whittaker Natsuko Imai Gina Cuomo-Dannenburg Hayley Thompson Patrick Walker Han Fu	6
+ PDF Chat	A vulnerability index for COVID-19: spatial analysis to inform equitable response in Kenya	2020	Peter M. Macharia Noel K. Joseph Emelda A. Okiro	6
+ PDF Chat	The relatively young and rural population may limit the spread and severity of COVID-19 in Africa: a modelling study	2020	Binta Zahra Diop Marième Ngom Clémence Pougué Biyong John N. Pougué Biyong	6
+	Modeling Infectious Diseases in Humans and Animals	2008	Matt J. Keeling Pejman Rohani	5
+ PDF Chat	Three-quarters attack rate of SARS-CoV-2 in the Brazilian Amazon during a largely unmitigated epidemic	2021	Lewis Buss Carlos A. Prete Claudia M. M. Abrahim Alfredo Mendrone Tassila Salomon Cesar de Almeida‐Neto Rafael Freitas de Oliveira França Maria Carolina T. D. Belotti Maria P. S. S. Carvalho Allyson Guimarães Costa	5
+	Modeling Infectious Diseases in Humans and Animals	2011	Matt J. Keeling Pejman Rohani	5
+	Assessing the Hospital Surge Capacity of the Kenyan Health System in the Face of the COVID-19 Pandemic	2020	Edwine Barasa Paul Ouma Emelda A. Okiro	4
+ PDF Chat	Fitting mechanistic epidemic models to data: A comparison of simple Markov chain Monte Carlo approaches	2018	Michael Li Jonathan Dushoff Benjamin M. Bolker	4
+ PDF Chat	Estimating the effects of non-pharmaceutical interventions on COVID-19 in Europe	2020	Seth Flaxman Swapnil Mishra Axel Gandy H. Juliette T. Unwin Thomas A. Mellan Helen Coupland Charles Whittaker Harrison Zhu Tresnia Berah Jeffrey W. Eaton	4
+ PDF Chat	SARS-CoV-2-reactive T cells in healthy donors and patients with COVID-19	2020	Julian Braun Lucie Loyal Marco Frentsch Daniel Wendisch Philipp Georg Florian Kurth Stefan Hippenstiel Manuela Dingeldey Beate Kruse Florent Fauchère	4
+ PDF Chat	The potential effects of widespread community transmission of SARS-CoV-2 infection in the World Health Organization African Region: a predictive model	2020	Joseph Cabore Humphrey Karamagi Hillary Kipruto James Avoka Asamani Benson Droti Aminata Binetou-Wahebine Seydi Regina Titi-Ofei Bénido Impouma Michel Yao Zabulon Yoti	4
+	Herd immunity thresholds for SARS-CoV-2 estimated from unfolding epidemics	2020	Ricardo Águas Guilherme Gonçalves Marcelo U. Ferreira M. Gabriela M. Gomes	4
+ PDF Chat	Understanding predictive information criteria for Bayesian models	2013	Andrew Gelman Jessica Hwang Aki Vehtari	4
+	Projecting hospital utilization during the COVID-19 outbreaks in the United States	2020	Seyed M. Moghadas Affan Shoukat Meagan C. Fitzpatrick Chad R. Wells Pratha Sah Abhishek Pandey Jeffrey D. Sachs Zheng Wang Lauren Ancel Meyers Burton H. Singer	4
+ PDF Chat	Quantifying Age-Related Rates of Social Contact Using Diaries in a Rural Coastal Population of Kenya	2014	Moses C. Kiti Timothy Kinyanjui Dorothy Koech Patrick K. Munywoki Graham F. Medley D. James Nokes	4
+ PDF Chat	The Incubation Period of Coronavirus Disease 2019 (COVID-19) From Publicly Reported Confirmed Cases: Estimation and Application	2020	Stephen A. Lauer Kyra H. Grantz Qifang Bi Forrest K. Jones Qulu Zheng Hannah R. Meredith Andrew S. Azman Nicholas G Reich Justin Lessler	4
+	Effects of temperature variation and humidity on the death of COVID-19 in Wuhan, China	2020	Yueling Ma Ya-Dong Zhao Jiangtao Liu Xiaotao He Bo Wang Shihua Fu Jun Yan Jingping Niu Ji Zhou Bin Luo	4
+	Preparedness and vulnerability of African countries against importations of COVID-19: a modelling study	2020	Marius Gilbert Giulia Pullano Francesco Pinotti Eugenio Valdano Chiara Poletto Pierre‐Yves Boëlle Éric D’Ortenzio Yazdan Yazdanpanah Serge Eholié Matthias Altmann	4
+ PDF Chat	Social Contacts and Mixing Patterns Relevant to the Spread of Infectious Diseases	2008	Joël Mossong Niel Hens Mark Jit Philippe Beutels Kari Auranen Rafael Mikolajczyk Marco Massari Stefania Salmaso Gianpaolo Scalia Tomba Jacco Wallinga	3
+ PDF Chat	COVID-19 in Africa: Dampening the storm?	2020	Moustapha Mbow Bertrand Lell Simon P. Jochems Badara Cissé Souleymane Mboup Benjamin G Dewals Assan Jaye Alioune Dièye Maria Yazdanbakhsh	3
+	Maximum Likelihood from Incomplete Data Via the <i>EM</i> Algorithm	1977	A. P. Dempster N. M. Laird Donald B. Rubin	3
+ PDF Chat	Quantifying the impact of physical distance measures on the transmission of COVID-19 in the UK	2020	Christopher I Jarvis Kevin van Zandvoort Amy Gimma Kiesha Prem Petra Klepac G. James Rubin W. John Edmunds	3
+ PDF Chat	SARS-CoV-2 infection rates of antibody-positive compared with antibody-negative health-care workers in England: a large, multicentre, prospective cohort study (SIREN)	2021	Victoria Hall Sarah Foulkes André Charlett Ana Atti Edward J M Monk Ruth Simmons Edgar Wellington Michelle Cole Ayoub Saei Blanché Oguti	3
+	Forecasting the scale of the COVID-19 epidemic in Kenya	2020	Samuel P. C. Brand Rabia Aziza Ivy K. Kombe Charles N. Agoti Joe Hilton Kat S. Rock Andrea Parisi D. James Nokes Matt J. Keeling Edwine Barasa	3
+	A Conceptual Introduction to Hamiltonian Monte Carlo	2017	Michael Betancourt	3
+ PDF Chat	The Duration, Dynamics, and Determinants of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Antibody Responses in Individual Healthcare Workers	2021	Sheila Lumley Jia Wei Denise O’Donnell Nicole Stoesser Philippa C. Matthews Alison Howarth Stephanie B. Hatch Brian D. Marsden Stuart Cox Tim James	3
+	Persistent heterogeneity not short-term overdispersion determines herd immunity to COVID-19	2020	Alexei V. Tkachenko	3
+ PDF Chat	The impact of COVID-19 control measures on social contacts and transmission in Kenyan informal settlements	2020	Matthew Quaife Kevin van Zandvoort Amy Gimma Kashvi Shah Nicky McCreesh Kiesha Prem Edwine Barasa Daniel Mwanga Beth Kangwana Jessie Pinchoff	3
+ PDF Chat	Predictions of COVID-19 dynamics in the UK: Short-term forecasting and analysis of potential exit strategies	2021	Matt J. Keeling Edward M. Hill Erin E. Gorsich Bridget S. Penman Glen Guyver‐Fletcher Alex Holmes Trystan Leng Hector McKimm Massimiliano Tamborrino Louise Dyson	3
+	Estimating spatial coupling in epidemiological systems: a mechanistic approach	2002	Matt J. Keeling Pejman Rohani	2
+	Seroprevalence of SARS-CoV-2 in Niger State: A Pilot Cross Sectional Study	2020	Hussaini Majiya Mohammed Aliyu‐Paiko Tochukwu Vincent Balogu Dickson Achimugu Musa Ibrahim Maikudi Salihu Abdullahi Abubakar Kawu Yakubu I Bashir Aishat A Sani Baba J Amina Tako Muhammad	2
+ PDF Chat	Social Mixing Patterns Within a South African Township Community: Implications for Respiratory Disease Transmission and Control	2011	Simon P. Johnstone-Robertson Daniella Mark Carl Morrow Keren Middelkoop Melika Chiswell Lisa D.H. Aquino Linda‐Gail Bekker Ronna Wood	2
+	Legacy of Ebola outbreak: Potential risk of measles outbreak in Guinea, Sierra Leone and Liberia	2015	SaurabhRamBihariLal Shrivastava Prateek Saurabh Shrivastava Ramasamy Jegadeesh	2
+ PDF Chat	Travel Patterns in China	2011	Tini Garske Hongjie Yu Zhibin Peng Min Ye Hang Zhou Xiao‐Wen Cheng Jiabing Wu Neil M. Ferguson	2
+ PDF Chat	Social mixing patterns in rural and urban areas of southern China	2014	Jonathan M. Read Justin Lessler Steven Riley Shuying Wang Li Jiu Tan Kin On Kwok Yi Guan Chao Qiang Jiang Derek A. T. Cummings	2
+	Collecting social contact data in the context of disease transmission: Prospective and retrospective study designs	2007	Rafael Mikolajczyk Mirjam Kretzschmar	2
+ PDF Chat	Collecting close-contact social mixing data with contact diaries: reporting errors and biases	2011	Timo Smieszek E. U. BURRI R. SCHERZINGER Roland W. Scholz	2
+	Combining serological and contact data to derive target immunity levels for achieving and maintaining measles elimination	2019	Sebastian Funk Jennifer K. Knapp Emmaculate Lebo Susan E. Reef Alya Dabbagh Katrina Kretsinger Mark Jit W. John Edmunds Peter M. Strebel	2
+ PDF Chat	Determining the optimal strategy for reopening schools, the impact of test and trace interventions, and the risk of occurrence of a second COVID-19 epidemic wave in the UK: a modelling study	2020	Jasmina Panovska‐Griffiths Cliff C. Kerr Robyn M. Stuart Dina Mistry Daniel J. Klein Russell Viner Chris Bonell	2
+	Antibody prevalence for SARS-CoV-2 in England following first peak of the pandemic: REACT2 study in 100,000 adults	2020	Helen Ward Christina Atchison Matthew Whitaker Kylie E. C. Ainslie Joshua Elliott Lucy Okell Rozlyn Redd Deborah Ashby Christl A. Donnelly William Barclay	2
+ PDF Chat	How generation intervals shape the relationship between growth rates and reproductive numbers	2006	Jacco Wallinga Marc Lipsitch	2
+	A Systematic Review of Social Contact Surveys to Inform Transmission Models of Close-contact Infections	2019	Thang Van Hoang Pietro Coletti Alessia Melegaro Jacco Wallinga Carlos G. Grijalva John W. Edmunds Philippe Beutels Niel Hens	2
+	Characteristics of human encounters and social mixing patterns relevant to infectious diseases spread by close contact: a survey in Southwest Uganda	2018	Olivier le Polain de Waroux Sandra Cohuet Donny Ndazima A. J. Kucharski Aitana Juan-Giner Stefan Flasche Nazarius Mbona Tumwesigye Rinah Arinaitwe Juliet Mwanga‐Amumpaire Yap Boum	2
+ PDF Chat	Comparison of Contact Patterns Relevant for Transmission of Respiratory Pathogens in Thailand and the Netherlands Using Respondent-Driven Sampling	2014	M. L. STEIN Jim van Steenbergen Vincent Buskens P.G.M. van der Heijden Charnchudhi Chanyasanha Mathuros Tipayamongkholgul Anna Thorson Linus Bengtsson Xin Lü Mirjam Kretzschmar	2
+	Reduced vaccination and the risk of measles and other childhood infections post-Ebola	2015	Saki Takahashi C. Jessica E. Metcalf Matthew J. Ferrari William J. Moss Shaun Truelove Andrew J. Tatem Bryan T. Grenfell Justin Lessler	2
+ PDF Chat	Close encounters of the infectious kind: methods to measure social mixing behaviour	2012	Jonathan M. Read W. John Edmunds Steven Riley Justin Lessler Derek A. T. Cummings	2
+	Contemporary statistical inference for infectious disease models using Stan	2019	Anastasia Chatzilena Edwin van Leeuwen Oliver Ratmann Marc Baguelin Nikolaos Demiris	2
+ PDF Chat	Slum Health: Arresting COVID-19 and Improving Well-Being in Urban Informal Settlements	2020	Jason Corburn David Vlahov Blessing Mberu Lee W. Riley Waleska Teixeira Caiaffa Sabina Faiz Rashid Albert I. Ko Sheela Patel Smurti Jukur Eliana Martínez‐Herrera	2