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L. Cosmas · SciRah

Researcher profile · Semantic Scholar

L. Cosmas

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L. Cosmas — researcher profile on SciRah

h-index: 23
Works: 40
Citations: 2,092

Most-cited papers

Incidence of invasive salmonella disease in sub-Saharan Africa: a multicentre population-based surveillance study
F. Marks, V. von Kalckreuth, P. Aaby, Y. Adu-Sarkodie +55 more
2017Lancet Global Health287 citations Open access
Semantic Scholar
Nutritional Status of Under-five Children Living in an Informal Urban Settlement in Nairobi, Kenya
Beatrice Olack, H. Burke, L. Cosmas, S. Bamrah +4 more
2011Journal of Health, Population and Nutrition227 citations Open access
Semantic Scholar
The Burden of Common Infectious Disease Syndromes at the Clinic and Household Level from Population-Based Surveillance in Rural and Urban Kenya
D. Feikin, Beatrice Olack, G. Bigogo, A. Audi +6 more
2011PLoS ONE210 citations Open access
Semantic Scholar
Population-Based Incidence of Typhoid Fever in an Urban Informal Settlement and a Rural Area in Kenya: Implications for Typhoid Vaccine Use in Africa
R. Breiman, L. Cosmas, H. Njuguna, A. Audi +11 more
2012PLoS ONE201 citations Open access
Semantic Scholar
The phylogeography and incidence of multi-drug resistant typhoid fever in sub-Saharan Africa
S. E. Park, D. Pham, Christine J. Boinett, V. Wong +66 more
2018Nature Communications110 citations Open access
Semantic Scholar
Environmental Transmission of Typhoid Fever in an Urban Slum
Adam Akullian, Eric Ng'eno, A. Matheson, L. Cosmas +8 more
2015PLoS Neglected Tropical Diseases97 citations Open access
Semantic Scholar
Differing Burden and Epidemiology of Non-Typhi Salmonella Bacteremia in Rural and Urban Kenya, 2006–2009
C. Tabu, R. Breiman, B. Ochieng, Barrack Aura +10 more
2012PLoS ONE96 citations Open access
Semantic Scholar
Severe acute respiratory infection in children in a densely populated urban slum in Kenya, 2007–2011
R. Breiman, L. Cosmas, M. K. Njenga, J. Williamson +15 more
2015BMC Infectious Diseases83 citations Open access
Semantic Scholar
The Typhoid Fever Surveillance in Africa Program (TSAP): Clinical, Diagnostic, and Epidemiological Methodologies.
V. von Kalckreuth, F. Konings, P. Aaby, Y. Adu-Sarkodie +28 more
2016Clinical Infectious Diseases81 citations Open access
Semantic Scholar
Epidemiology, seasonality, and burden of influenza and influenza-like illness in urban and rural Kenya, 2007-2010.
M. Katz, Emmaculate J. Lebo, G. Emukule, H. Njuguna +10 more
2012Journal of Infectious Diseases66 citations
Semantic Scholar
Epidemiology of respiratory syncytial virus infection in rural and urban Kenya.
G. Bigogo, R. Breiman, D. Feikin, A. Audi +13 more
2013Journal of Infectious Diseases63 citations Open access
Semantic Scholar
The COVID-19 pandemic and disruptions to essential health services in Kenya: a retrospective time-series analysis
Helen Kiarie, M. Temmerman, M. Nyamai, Nzisa Liku +29 more
2022Lancet Global Health61 citations Open access
Semantic Scholar
Soil-transmitted helminths in pre-school-aged and school-aged children in an urban slum: a cross-sectional study of prevalence, distribution, and associated exposures.
S. Davis, Caitlin M. Worrell, R. Wiegand, Kennedy O. Odero +8 more
2014American Journal of Tropical Medicine and Hygiene49 citations Open access
Semantic Scholar
Use of Population-based Surveillance to Define the High Incidence of Shigellosis in an Urban Slum in Nairobi, Kenya
H. Njuguna, L. Cosmas, J. Williamson, Dhillon Nyachieo +7 more
2013PLoS ONE45 citations Open access
Semantic Scholar
Population-Based Incidence Rates of Diarrheal Disease Associated with Norovirus, Sapovirus, and Astrovirus in Kenya
K. Shioda, L. Cosmas, A. Audi, Nicole Gregoricus +6 more
2016PLoS ONE43 citations Open access
Semantic Scholar
The genomic epidemiology of multi-drug resistant invasive non-typhoidal Salmonella in selected sub-Saharan African countries
S. E. Park, D. Pham, G. Pak, Ursula Panzner +49 more
2021BMJ Global Health40 citations Open access
Semantic Scholar
A diagnostic and epidemiologic investigation of acute febrile illness (AFI) in Kilombero, Tanzania
C. Hercik, L. Cosmas, Ondari D. Mogeni, N. Wamola +10 more
2017PLoS ONE31 citations Open access
Semantic Scholar
Burden of invasive non-typhoidal Salmonella disease in a rural and urban site in Kenya, 2009–2014
J. Verani, Samuel Toroitich, Joshua Auko, Samuel Kiplang'at +13 more
2015Clinical Infectious Diseases30 citations Open access
Semantic Scholar
Sustained high incidence of injuries from burns in a densely populated urban slum in Kenya: An emerging public health priority
Joshua M. Wong, Dhillon Nyachieo, Noelle A. Benzekri, L. Cosmas +5 more
2014Burns29 citations
Semantic Scholar
Multicountry Distribution and Characterization of Extended-spectrum β-Lactamase–associated Gram-negative Bacteria From Bloodstream Infections in Sub-Saharan Africa
Trevor Toy, G. Pak, Trung Pham Duc, James I. Campbell +46 more
2019Clinical Infectious Diseases26 citations Open access
Semantic Scholar
Use of the revised World Health Organization cluster survey methodology to classify measles-rubella vaccination campaign coverage in 47 counties in Kenya, 2016
S. Subaiya, C. Tabu, J. Nganga, Abdulkadir Amin Awes +12 more
2018PLoS ONE25 citations Open access
Semantic Scholar
Bloodstream Infections and Frequency of Pretreatment Associated With Age and Hospitalization Status in Sub-Saharan Africa.
C. Nichols, L. M. Cruz Espinoza, V. von Kalckreuth, P. Aaby +41 more
2015Clinical Infectious Diseases25 citations Open access
Semantic Scholar
Mortality Trends Observed in Population-Based Surveillance of an Urban Slum Settlement, Kibera, Kenya, 2007–2010
Beatrice Olack, D. Feikin, L. Cosmas, Kennedy O. Odero +3 more
2014PLoS ONE24 citations Open access
Semantic Scholar
The Unrecognized Burden of Influenza in Young Kenyan Children, 2008-2012
M. McMorrow, G. Emukule, H. Njuguna, G. Bigogo +10 more
2015PLoS ONE23 citations Open access
Semantic Scholar
A Combined Syndromic Approach to Examine Viral, Bacterial, and Parasitic Agents among Febrile Patients: A Pilot Study in Kilombero, Tanzania
C. Hercik, L. Cosmas, Ondari D. Mogeni, N. Wamola +8 more
2017American Journal of Tropical Medicine and Hygiene19 citations Open access
Semantic Scholar
Impact of 10-Valent Pneumococcal Conjugate Vaccine Introduction on Pneumococcal Carriage and Antibiotic Susceptibility Patterns Among Children Aged <5 Years and Adults With Human Immunodeficiency Virus Infection: Kenya, 2009–2013
Miwako Kobayashi, G. Bigogo, L. Kim, Ondari D. Mogeni +19 more
2019Clinical Infectious Diseases18 citations Open access
Semantic Scholar
Use of Population-based Surveillance to Determine the Incidence of Rotavirus Gastroenteritis in an Urban Slum and a Rural Setting in Kenya
R. Breiman, L. Cosmas, A. Audi, W. Mwiti +11 more
2014The Pediatric Infectious Disease Journal16 citations Open access
Semantic Scholar
Secondary Household Transmission of 2009 Pandemic Influenza A (H1N1) Virus among an Urban and Rural Population in Kenya, 2009–2010
Clara Y. Kim, R. Breiman, L. Cosmas, A. Audi +8 more
2012PLoS ONE15 citations Open access
Semantic Scholar
Malaria Parasitemia among Febrile Patients Seeking Clinical Care at an Outpatient Health Facility in an Urban Informal Settlement Area in Nairobi, Kenya
H. Njuguna, J. Montgomery, L. Cosmas, N. Wamola +4 more
2016American Journal of Tropical Medicine and Hygiene13 citations Open access
Semantic Scholar
Serologic evidence for hepatitis E virus infection among patients with undifferentiated acute febrile illness in Kibera, Kenya
N. Furukawa, E. Teshale, L. Cosmas, Melvin Ochieng +3 more
2016Journal of Clinical Virology10 citations Open access
Semantic Scholar
A Diagnostic and Epidemiologic Investigation of Acute Febrile Illness (AFI) in Kilombero, Tanzania
C. Hercik, L. Cosmas, Ondari D. Mogeni, N. Wamola +6 more
20169 citations Open access
Semantic Scholar
Correction: Use of Population-based Surveillance to Define the High Incidence of Shigellosis in an Urban Slum in Nairobi, Kenya
H. Njuguna, L. Cosmas, J. Williamson, Dhillon Nyachieo +7 more
2014PLoS ONE6 citations Open access
Semantic Scholar
Health Beliefs and Patient Perspectives of Febrile Illness in Kilombero, Tanzania.
C. Hercik, L. Cosmas, Ondari D. Mogeni, W. Kohi +3 more
2016American Journal of Tropical Medicine and Hygiene5 citations Open access
Semantic Scholar
Increased Rates of Respiratory and Diarrheal Illnesses in HIV-Negative Persons Living With HIV-Infected Individuals in a Densely Populated Urban Slum in Kenya
Joshua M. Wong, L. Cosmas, Dhillon Nyachieo, J. Williamson +7 more
2015Journal of Infectious Diseases5 citations Open access
Semantic Scholar
1445. Impact of 10-Valent Pneumococcal Conjugate Vaccine Introduction on Pneumococcal Carriage and Antibiotic Susceptibility Patterns Among Children Aged <5 Years and Adults with HIV Infection, Kenya 2009–2013
Miwako Kobayashi, L. Kim, G. Bigogo, Daniel Ondari +19 more
2018Open Forum Infectious Diseases3 citations Open access
Semantic Scholar
The genomic epidemiology of multi-drug resistant nontyphoidal Salmonella causing invasive disease in sub-Saharan Africa
S. E. Park, D. Pham, G. Pak, Ursula Panzner +47 more
2020bioRxiv2 citations Open access
Semantic Scholar
Mortality patterns over a 10-year period in Kibera, an urban informal settlement in Nairobi, Kenya, 2009–2018
Clifford Oduor, Irene Omwenga, A. Ouma, Robert Mutinda +12 more
2023Global Health Action1 citations Open access
Semantic Scholar
Primary health care–oriented reforms: the political economy dynamics underlying health-system shifts across nine countries
Anuska Kalita, K. Croke, Erica Barbazza, Susan P. Sparkes +13 more
2026Health Policy and Planning0 citations Open access
Semantic Scholar
Youth in rural development
L. Cosmas, J. Esanyu
19940 citations
Semantic Scholar
DECLINING CHILD MORTALITY DUE TO INFECTIOUS DISEASES IN AN URBAN SLUM IN NAIROBI KENYA
J. Verani, L. Cosmas, Shadrack Muema, A. Ouma +9 more
0 citations
Semantic Scholar

Frequent co-authors

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R. Breiman×26
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R. Breiman — researcher profile on SciRah
J. Montgomery×23
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J. Montgomery — researcher profile on SciRah
Beatrice Olack×18
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Beatrice Olack — researcher profile on SciRah
D. Feikin×14
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D. Feikin — researcher profile on SciRah

×14

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G. Bigogo — researcher profile on SciRah

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A. Audi — researcher profile on SciRah

Ondari D. Mogeni×13

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Ondari D. Mogeni — researcher profile on SciRah

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B. Fields — researcher profile on SciRah

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H. Njuguna — researcher profile on SciRah

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N. Wamola — researcher profile on SciRah

J. Williamson×8

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J. Williamson — researcher profile on SciRah

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F. Marks — researcher profile on SciRah