Area of research
Epidemiology · Infectious Diseases
Research interest
Research interests include Pneumonia and Respiratory Infections, Respiratory viral infections research, SARS-CoV-2 and COVID-19 Research, and Bacterial Infections and Vaccines.
Investigating the Role of Cytomegalovirus as a Cause of Stillbirths and Child Deaths in Low- and Middle-Income Countries Through Postmortem Minimally Invasive Tissue Sampling.
Age-Specific Concentrations and Seroprevalence of Antibodies Against Salmonella Enteritidis (O:9) and Salmonella Typhimurium (O:4,5) Across 3 Sites in Kenya.
The Effect of a 5-Day Course of Azithromycin on Streptococcus Pneumoniae Carriage and Antimicrobial Resistance Among Kenyan Children Discharged From Hospital.
Global impact of 10- and 13-valent pneumococcal conjugate vaccines on pneumococcal meningitis in all ages: The PSERENADE project
Investigating the Role of Cytomegalovirus as a Cause of Stillbirths and Child Deaths in Low- and Middle-Income Countries Through Postmortem Minimally Invasive Tissue Sampling
Misclassification of malaria as pneumonia in children in sub-Saharan Africa
Seroprevalence of Immunoglobulin G against measles and rubella over a 12-year period (2009–2021) in Kilifi, Kenya and the impact of the Measles-Rubella (MR) vaccine campaign of 2016
Epidemiology of Community-acquired Bacteremia Among Children One to Fifty-nine Months of Age Admitted to a Tertiary Hospital in Harar, Eastern Ethiopia
Profile: The Kenya Multi-Site Serosurveillance (KEMIS) collaboration
Major Causes of Perinatal and Paediatric Mortality in Sub‐Saharan Africa and South Asia: Adjustment for Selection Bias in the <scp>CHAMPS</scp> Network
The impact of 10-valent pneumococcal conjugate vaccine on the incidence of admissions to hospital with hypoxaemic and non-hypoxaemic pneumonia in Kenyan children.
Active vaccine safety surveillance: Experience from a prospective cohort event monitoring study of COVID-19 vaccines in Kenya.
Use of minimally invasive tissue sampling to determine the contribution of diarrheal diseases to under-five mortality and associated co-morbidities and co-infections in children with fatal diarrheal diseases in Africa and Bangladesh.
Serotype distribution of remaining invasive pneumococcal disease after extensive use of ten-valent and 13-valent pneumococcal conjugate vaccines (the PSERENADE project): a global surveillance analysis
Child deaths caused by Klebsiella pneumoniae in sub-Saharan Africa and south Asia: a secondary analysis of Child Health and Mortality Prevention Surveillance (CHAMPS) data
Global impact of ten-valent and 13-valent pneumococcal conjugate vaccines on invasive pneumococcal disease in all ages (the PSERENADE project): a global surveillance analysis
Post-mortem investigation of deaths due to pneumonia in children aged 1–59 months in sub-Saharan Africa and South Asia from 2016 to 2022: an observational study
Contribution of malnutrition to infant and child deaths in Sub-Saharan Africa and South Asia
Re-evaluating the impact and cost-effectiveness of pneumococcal conjugate vaccine introduction in 112 low-income and middle-income countries in children younger than 5 years: a modelling study
Burden of child mortality from malaria in high endemic areas: Results from the CHAMPS network using minimally invasive tissue sampling
Identifying delays in healthcare seeking and provision: The Three Delays-in-Healthcare and mortality among infants and children aged 1–59 months
Epidemiology of human metapneumovirus among children with severe or very severe pneumonia in high pneumonia burden settings: the Pneumonia Etiology Research for Child Health (PERCH) study experience
Etiologies and comorbidities of meningitis deaths in children under 5 years in high-mortality settings: Insights from the CHAMPS Network in the post-pneumococcal vaccine era
Evaluation of population immunity against SARS-CoV-2 variants, EG.5.1, FY.4, BA.2.86, JN.1, JN.1.4, and KP.3.1.1 using samples from two health demographic surveillance systems in Kenya
Age-dependent acquisition of IgG antibodies to Shigella serotypes—a retrospective analysis of seroprevalence in Kenyan children with implications for infant vaccination
Profile: The Kenya Multi-Site Serosurveillance (KEMIS) collaboration
Factors predicting mortality in hospitalised HIV-negative children with lower-chest-wall indrawing pneumonia and implications for management.
Factors predicting mortality in hospitalised HIV-negative children with lower-chest-wall indrawing pneumonia and implications for management
Prospective clinical surveillance for severe acute respiratory illness and COVID-19 vaccine effectiveness in Kenyan hospitals during the COVID-19 pandemic
Comparative performance of the InBios SCoV-2 Detect <sup>TM</sup> IgG ELISA and the in-house KWTRP ELISA in detecting SARS-CoV-2 spike IgG antibodies in Kenyan populations.