Stephen K Obaro, MBBS, PhD

Professor

  • 3924 Citations
  • 27 h-Index
1993 …2019
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Research Output 1993 2019

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Article
2019

Emergence of New Delhi metallo-β-lactamase (NDM-5) in Klebsiella quasipneumoniae from neonates in a Nigerian hospital

Brinkac, L. M., White, R., D'Souza, R., Nguyen, K., Obaro, S. K. & Fouts, D. E., Mar 1 2019, In : mSphere. 4, 2, e00685-18.

Research output: Contribution to journalArticle

Open Access
Klebsiella
Disease Outbreaks
Bacteremia
Newborn Infant
Diagnostic Services

Neonatal outcomes associated with maternal recto-vaginal colonization with extended-spectrum β-lactamase producing Enterobacteriaceae in Nigeria: a prospective, cross-sectional study

Neemann, K., Olateju, E. K., Izevbigie, N., Akaba, G., Olanipekun, G. M., Richard, J. C., Duru, C. I., Kocmich, N. J., Samson, K. K., Rezac-Elgohary, A., Anigilaje, E. A., Yunusa, T., Megafu, C. O. N., Ajose, T. O., Medugu, N., Meza, J. & Obaro, S., Jan 1 2019, (Accepted/In press) In : Clinical Microbiology and Infection.

Research output: Contribution to journalArticle

Enterobacteriaceae
Nigeria
Infant Mortality
Cross-Sectional Studies
Mothers
8 Citations (Scopus)
Open Access
Microbial Drug Resistance
Genome
Pneumococcal Vaccines
Conjugate Vaccines
Serogroup

Pulmonary hypertension and right ventricular function in Nigerian children with sickle cell anaemia

Peter, I. D., Asani, M. O., Abdullahi, S. U., Aliyu, I., Obaro, S. K. & Bode-Thomas, F., Aug 1 2019, In : Transactions of the Royal Society of Tropical Medicine and Hygiene. 113, 8, p. 489-496 8 p., trz038.

Research output: Contribution to journalArticle

Open Access
Right Ventricular Function
Sickle Cell Anemia
Pulmonary Hypertension
Echocardiography
Odds Ratio
1 Citation (Scopus)

Towards understanding global patterns of antimicrobial use and resistance in neonatal sepsis: Insights from the NeoAMR network

Li, G., Bielicki, J. A., Ahmed, A. S. M. N. U., Islam, M. S., Berezin, E. N., Gallacci, C. B., Guinsburg, R., Da Silva Figueiredo, C. E., Santarone Vieira, R., Silva, A. R., Teixeira, C., Turner, P., Nhan, L., Orrego, J., Pérez, P. M., Qi, L., Papaevangelou, V., Triantafyllidou, P., Iosifidis, E., Roilides, E. & 43 others, Sarafidis, K., Jinka, D. R., Nayakanti, R. R., Kumar, P., Gautam, V., Prakash, V., Seeralar, A., Murki, S., Kandraju, H., Singh, S., Kumar, A., Lewis, L., Pukayastha, J., Nangia, S., Yogesha, K., Chaurasia, S., Chellani, H., Obaro, S., Dramowski, A., Bekker, A., Whitelaw, A., Thomas, R., Velaphi, S. C., Ballot, D. E., Nana, T., Reubenson, G., Fredericks, J., Anugulruengkitt, S., Sirisub, A., Wong, P., Lochindarat, S., Boonkasidecha, S., Preedisripipat, K., Cressey, T. R., Paopongsawan, P., Lumbiganon, P., Pongpanut, D., Sukrakanchana, P. O., Musoke, P., Olson, L., Larsson, M., Heath, P. T. & Sharland, M., Jan 1 2019, (Accepted/In press) In : Archives of Disease in Childhood.

Research output: Contribution to journalArticle

Open Access
Observational Studies
Cephalosporin Resistance
Carbapenems
Glycopeptides
Live Birth
2 Citations (Scopus)

Urogenital schistosomiasis is associated with signatures of microbiome dysbiosis in Nigerian adolescents

Ajibola, O., Rowan, A. D., Ogedengbe, C. O., Mshelia, M. B., Cabral, D. J., Eze, A. A., Obaro, S. & Belenky, P., Dec 1 2019, In : Scientific reports. 9, 1, 829.

Research output: Contribution to journalArticle

Schistosomiasis haematobia
Dysbiosis
Microbiota
Schistosoma haematobium
Infection
2018

A comparison of vitamin E status and associated pregnancy outcomes in maternal–infant dyads between a Nigerian and a United States population

Cave, C., Hanson, C. K., Schumacher, M., Lyden, E., Furtado, J., Obaro, S. K., Delair, S., Kocmich, N., Rezac, A., Izevbigie, N. I., Van nOrmer, M., Kamil, A., McGinn, E., Rilett, K., Elliott, E., Johnson, R., Weishaar, K., Olateju, E. K., Akaba, G. A., Anigilaje, E. A. & 2 others, Tahiru, T. & Anderson Berry, A. L., Sep 14 2018, In : Nutrients. 10, 9, 1300.

Research output: Contribution to journalArticle

pregnancy outcome
Tocopherols
Pregnancy Outcome
Vitamin E
tocopherols
16 Citations (Scopus)

Acquisition of virulence genes by a carrier strain gave rise to the ongoing epidemics of meningococcal disease in West Africa

Brynildsrud, O. B., Eldholm, V., Bohlin, J., Uadiale, K., Obaro, S. K. & Caugant, D. A., May 22 2018, In : Proceedings of the National Academy of Sciences of the United States of America. 115, 21, p. 5510-5515 6 p.

Research output: Contribution to journalArticle

Western Africa
Virulence
Nigeria
Meningitis
Genes

Detection of Streptococcus pneumoniae from culture-negative dried blood spots by real-time PCR in Nigerian children with acute febrile illness

Iroh Tam, P. Y., Hernandez-Alvarado, N., Schleiss, M. R., Yi, A. J., Hassan-Hanga, F., Onuchukwu, C., Umoru, D. & Obaro, S. K., Sep 10 2018, In : BMC Research Notes. 11, 1, 657.

Research output: Contribution to journalArticle

Streptococcus pneumoniae
Real-Time Polymerase Chain Reaction
Blood
Fever
Nigeria
1 Citation (Scopus)

Determinants of postoperative morbidity and mortality in children managed for typhoid intestinal perforation in Kano Nigeria

Anyanwu, L. J., Mohammad, A., Abdullahi, L., Farinyaro, A. & Obaro, S. K., Apr 2018, In : Journal of pediatric surgery. 53, 4, p. 847-852 6 p.

Research output: Contribution to journalArticle

Intestinal Perforation
Child Mortality
Typhoid Fever
Nigeria
Morbidity
3 Citations (Scopus)

Status of retinoids and carotenoids and associations with clinical outcomes in maternal-infant pairs in Nigeria

Hanson, C. K., Lyden, E., Anderson Berry, A. L., Kocmich, N., Rezac, A., Delair, S., Furtado, J., Van Ormer, M., Izevbigie, N. I., Olateju, E. D., Adaba, G. A., Anigilaje, E. A., Tahiru, T. & Obaro, S. K., Sep 12 2018, In : Nutrients. 10, 9, 1286.

Research output: Contribution to journalArticle

retinoids
Retinoids
Carotenoids
Nigeria
Vitamin A
4 Citations (Scopus)

The phylogeography and incidence of multi-drug resistant typhoid fever in sub-Saharan Africa

Park, S. E., Pham, D. T., Boinett, C., Wong, V. K., Pak, G. D., Panzner, U., Espinoza, L. M. C., von Kalckreuth, V., Im, J., Schütt-Gerowitt, H., Crump, J. A., Breiman, R. F., Adu-Sarkodie, Y., Owusu-Dabo, E., Rakotozandrindrainy, R., Soura, A. B., Aseffa, A., Gasmelseed, N., Keddy, K. H., May, J. & 50 others, Sow, A. G., Aaby, P., Biggs, H. M., Hertz, J. T., Montgomery, J. M., Cosmas, L., Olack, B., Fields, B., Sarpong, N., Razafindrabe, T. J. L., Raminosoa, T. M., Kabore, L. P., Sampo, E., Teferi, M., Yeshitela, B., El Tayeb, M. A., Sooka, A., Meyer, C. G., Krumkamp, R., Dekker, D. M., Jaeger, A., Poppert, S., Tall, A., Niang, A., Bjerregaard-Andersen, M., Løfberg, S. V., Seo, H. J., Jeon, H. J., Deerin, J. F., Park, J., Konings, F., Ali, M., Clemens, J. D., Hughes, P., Sendagala, J. N., Vudriko, T., Downing, R., Ikumapayi, U. N., Mackenzie, G. A., Obaro, S. K., Argimon, S., Aanensen, D. M., Page, A., Keane, J. A., Duchene, S., Dyson, Z., Holt, K. E., Dougan, G., Marks, F. & Baker, S., Dec 1 2018, In : Nature communications. 9, 1, 5094.

Research output: Contribution to journalArticle

typhoid
fever
Phylogeography
Salmonella typhi
Africa South of the Sahara
3 Citations (Scopus)

Typhoid fever: Tracking the trend in Nigeria

Akinyemi, K. O., Oyefolu, A. O. B., Mutiu, W. B., Iwalokun, B. A., Ayeni, E. S., Ajose, S. O. & Obaro, S. K., Jan 1 2018, In : American Journal of Tropical Medicine and Hygiene. 99, 3, p. 41-47 7 p.

Research output: Contribution to journalArticle

Typhoid Fever
Nigeria
Sanitation
Water Supply
Health
2017
2 Citations (Scopus)

Cost-effectiveness of expanding childhood routine immunization against Neisseria meningitidis serogroups C, W and Y with a quadrivalent conjugate vaccine in the African meningitis belt

Kuznik, A., Iliyasu, G., Lamorde, M., Mahmud, M., Musa, B. M., Nashabaru, I., Obaro, S. K., Mohammed, I. & Habib, A. G., Nov 2017, In : PloS one. 12, 11, e0188595.

Research output: Contribution to journalArticle

Serogroup Y Neisseria meningitidis
Serogroup C Neisseria meningitidis
Immunization
Neisseria meningitidis
Conjugate Vaccines
6 Citations (Scopus)

Development of ELISAs for diagnosis of acute typhoid fever in Nigerian children

Felgner, J., Jain, A., Nakajima, R., Liang, L., Jasinskas, A., Gotuzzo, E., Vinetz, J. M., Miyajima, F., Pirmohamed, M., Hassan-Hanga, F., Umoru, D., Jibir, B. W., Gambo, S., Olateju, K., Felgner, P. L., Obaro, S. K. & Davies, D. H., Jun 22 2017, In : PLoS neglected tropical diseases. 11, 6, e0005679.

Research output: Contribution to journalArticle

Typhoid Fever
Immunoglobulin A
Enzyme-Linked Immunosorbent Assay
Immunoglobulin M
Lipopolysaccharides

Increased memory phenotypes of CD4+ and CD8+ t cells in children with sickle cell anaemia in Tanzania

Balandya, E., Reynolds, T., Aboud, S., Obaro, S. K. & Makani, J., Jan 1 2017, In : Tanzania Journal of Health Research. 19, 2

Research output: Contribution to journalArticle

Tanzania
Sickle Cell Anemia
Phenotype
T-Lymphocytes
B-Lymphocytes
2016
32 Citations (Scopus)

An extended genotyping framework for Salmonella enterica serovar Typhi, the cause of human typhoid

Wong, V. K., Baker, S., Connor, T. R., Pickard, D., Page, A. J., Dave, J., Murphy, N., Holliman, R., Sefton, A., Millar, M., Dyson, Z. A., Dougan, G., Holt, K. E., Parkhill, J., Kingsley, R. A., Thomson, N. R., Keane, J. A., Hadfield, J., Klemm, E. J., Harris, S. R. & 63 others, Cain, A. K., Kariuki, S., Okoro, C., MacLennan, C. A., Vu Thieu, N. T., Thanh, D. P., Thompson, C., Dolecek, C., Campbell, J. I., Thwaites, G., Farrar, J., Newton, P. N., Dance, D., Turner, P., Mulholland, E. K., Hawkey, J., Edwards, D. J., Feasey, N. A., Weill, F. X., Le Hello, S., Hart, P. J., Breiman, R. F., Onsare, R. S., Watson, C. H., Edmunds, W. J., Gordon, M. A., Heyderman, R. S., Msefula, C., Jacobs, J., Lunguya, O., Chabalgoity, J. A., Kama, M., Jenkins, K., Dutta, S., Marks, F., Campos, J., Obaro, S. K., Keddy, K. H., Smith, A. M., Parry, C. M., Karkey, A., Dongol, S., Basnyat, B., Arjyal, A., Dufour, M., Bandaranayake, D., Toleafoa, T. N., Singh, S. P., Hatta, M., Davong, V., Isaia, L., Wijedoru, L., Crump, J. A., De Pinna, E., Nair, S., Nilles, E. J., Soeng, S., Valcanis, M., Powling, J., Dimovski, K., Hogg, G., Mather, A. E. & Amos, B., Jan 1 2016, In : Nature communications. 7, 12827.

Research output: Contribution to journalArticle

typhoid
salmonella
Salmonella typhi
Salmonella
Typhoid Fever
6 Citations (Scopus)

Challenges in the etiology and diagnosis of acute febrile illness in children in low- and middle- income countries

Tam, P. Y. I., Obaro, S. K. & Storch, G., Jun 10 2016, In : Journal of the Pediatric Infectious Diseases Society. 5, 2, p. 190-205 16 p., piw016.

Research output: Contribution to journalArticle

Malaria
Fever
Arboviruses
Leptospirosis
Antimalarials
13 Citations (Scopus)

Hydroxyurea Therapy for Children With Sickle Cell Anemia in Sub-Saharan Africa: Rationale and Design of the REACH Trial

For the REACH Investigators, Jan 1 2016, In : Pediatric Blood and Cancer. 63, 1, p. 98-104 7 p.

Research output: Contribution to journalArticle

Hydroxyurea
Africa South of the Sahara
Sickle Cell Anemia
Therapeutics
Angola
6 Citations (Scopus)

Molecular detection of Streptococcus pneumoniae on dried blood spots from febrile Nigerian children compared to culture

Tam, P. Y. I., Hernandez-Alvarado, N., Schleiss, M. R., Hassan-Hanga, F., Onuchukwu, C., Umoru, D. & Obaro, S. K., Mar 2016, In : PloS one. 11, 3, e0152253.

Research output: Contribution to journalArticle

Streptococcus pneumoniae
fever
Blood
Fever
Polymerase chain reaction
18 Citations (Scopus)

Molecular Surveillance Identifies Multiple Transmissions of Typhoid in West Africa

International Typhoid Consortium, Sep 22 2016, In : PLoS neglected tropical diseases. 10, 9, e0004781.

Research output: Contribution to journalArticle

Western Africa
Typhoid Fever
Nigeria
Central Africa
Plasmids
6 Citations (Scopus)

Serodiagnosis of acute typhoid fever in nigerian pediatric cases by detection of serum IgA and IgG against hemolysin e and Lipopolysaccharide

Davies, D. H., Jain, A., Nakajima, R., Liang, L., Jasinskis, A., Supnet, M., Felgner, P. L., Teng, A., Pablo, J., Molina, D. M. & Obaro, S. K., Aug 2016, In : American Journal of Tropical Medicine and Hygiene. 95, 2, p. 431-439 9 p.

Research output: Contribution to journalArticle

Hemolysin Proteins
Typhoid Fever
Serologic Tests
Immunoglobulin A
Lipopolysaccharides
1 Citation (Scopus)

Sickle-cell disease in Nigerian Children: Parental knowledge and laboratory results

Obaro, S. K., Daniel, Y., Lawson, J. O., Hsu, W. W., Dada, J., Essen, U., Ibrahim, K., Akindele, A., Brooks, K., Olanipekun, G., Ajose, T., Stewart, C. E. & Inusa, B. P. D., Apr 1 2016, In : Public Health Genomics. 19, 2, p. 102-107 6 p.

Research output: Contribution to journalArticle

Sickle Cell Anemia
Hemoglobins
Early Diagnosis
Parents
Phenotype
2015
161 Citations (Scopus)

Phylogeographical analysis of the dominant multidrug-resistant H58 clade of Salmonella Typhi identifies inter-and intracontinental transmission events

Wong, V. K., Baker, S., Pickard, D. J., Parkhill, J., Page, A. J., Feasey, N. A., Kingsley, R. A., Thomson, N. R., Keane, J. A., Weill, F. X., Edwards, D. J., Hawkey, J., Harris, S. R., Mather, A. E., Cain, A. K., Hadfield, J., Hart, P. J., Thieu, N. T. V., Klemm, E. J., Glinos, D. A. & 54 others, Breiman, R. F., Watson, C. H., Kariuki, S., Gordon, M. A., Heyderman, R. S., Okoro, C., Jacobs, J., Lunguya, O., Edmunds, W. J., Msefula, C., Chabalgoity, J. A., Kama, M., Jenkins, K., Dutta, S., Marks, F., Campos, J., Thompson, C., Obaro, S. K., Maclennan, C. A., Dolecek, C., Keddy, K. H., Smith, A. M., Parry, C. M., Karkey, A., Mulholland, E. K., Campbell, J. I., Dongol, S., Basnyat, B., Dufour, M., Bandaranayake, D., Naseri, T. T., Singh, S. P., Hatta, M., Newton, P., Onsare, R. S., Isaia, L., Dance, D., Davong, V., Thwaites, G., Wijedoru, L., Crump, J. A., De Pinna, E., Nair, S., Nilles, E. J., Thanh, D. P., Turner, P., Soeng, S., Valcanis, M., Powling, J., Dimovski, K., Hogg, G., Farrar, J., Holt, K. E. & Dougan, G., May 27 2015, In : Nature Genetics. 47, 6, p. 632-639 8 p.

Research output: Contribution to journalArticle

Salmonella typhi
Typhoid Fever
Endemic Diseases
Sequence Analysis
Plasmids
12 Citations (Scopus)

Salmonella bacteremia among children in central and Northwest Nigeria, 2008-2015

Obaro, S. K., Hassan-Hanga, F., Olateju, E. K., Umoru, D., Lawson, L., Olanipekun, G., Ibrahim, S., Munir, H., Ihesiolor, G., Maduekwe, A., Ohiaeri, C., Adetola, A., Shetima, D., Jibir, B. W., Nakaura, H., Kocmich, N., Ajose, T., Idiong, D., Masokano, K., Ifabiyi, A. & 11 others, Ihebuzor, N., Chen, B., Meza, J. L., Akindele, A., Rezac-Elgohary, A., Olaosebikan, R., Suwaid, S., Gambo, M., Alter, R., Davies, H. D. & Fey, P. D., Nov 1 2015, In : Clinical Infectious Diseases. 61, p. S325-S331

Research output: Contribution to journalArticle

Nigeria
Bacteremia
Salmonella
Salmonella typhi
Anti-Bacterial Agents
2014
1 Citation (Scopus)
Nigeria
Bacterial Infections
Internet
Surveys and Questionnaires
2013
22 Citations (Scopus)

Comparative effectiveness of congregation- versus clinic-based approach to prevention of mother-to-child HIV transmission: Study protocol for a cluster randomized controlled trial

Ezeanolue, E. E., Obiefune, M. C., Yang, W., Obaro, S. K., Ezeanolue, C. O. & Ogedegbe, G. G., Jun 8 2013, In : Implementation Science. 8, 1, 62.

Research output: Contribution to journalArticle

Randomized Controlled Trials
Mothers
HIV
Pregnant Women
Random Allocation
2012
205 Citations (Scopus)

Intracontinental spread of human invasive Salmonella Typhimurium pathovariants in sub-Saharan Africa

Okoro, C. K., Kingsley, R. A., Connor, T. R., Harris, S. R., Parry, C. M., Al-Mashhadani, M. N., Kariuki, S., Msefula, C. L., Gordon, M. A., De Pinna, E., Wain, J., Heyderman, R. S., Obaro, S., Alonso, P. L., Mandomando, I., MacLennan, C. A., Tapia, M. D., Levine, M. M., Tennant, S. M., Parkhill, J. & 1 others, Dougan, G., Nov 1 2012, In : Nature Genetics. 44, 11, p. 1215-1221 7 p.

Research output: Contribution to journalArticle

Africa South of the Sahara
Salmonella typhimurium
Salmonella
Population
Salmonella enterica
24 Citations (Scopus)

Safety of the recombinant cholera toxin B subunit, killed whole-cell (rBS-WC) Oral Cholera vaccine in pregnancy

Hashim, R., Khatib, A. M., Enwere, G., Park, J. K., Reyburn, R., Ali, M., Chang, N. Y., Kim, D. R., Ley, B., Thriemer, K., Lopez, A. L., Clemens, J. D., Deen, J. L., Shin, S., Schaetti, C., Hutubessy, R., Aguado, M. T., Kieny, M. P., Sack, D., Obaro, S. & 5 others, Shaame, A. J., Ali, S. M., Saleh, A. A., von Seidlein, L. & Jiddawi, M. S., Jul 1 2012, In : PLoS neglected tropical diseases. 6, 7, e1743.

Research output: Contribution to journalArticle

Cholera Vaccines
Cholera Toxin
Vaccines
Cholera
Safety
2011
38 Citations (Scopus)

Community Acquired Bacteremia in Young Children from Central Nigeria- A Pilot Study

Obaro, S., Lawson, L., Essen, U., Ibrahim, K., Brooks, K., Otuneye, A., Shetima, D., Ahmed, P., Ajose, T., Olugbile, M., Idiong, D., Ogundeji, D., Ochigbo, C., Olanipekun, G., Khalife, W. & Adegbola, R., May 19 2011, In : BMC Infectious Diseases. 11, 137.

Research output: Contribution to journalArticle

Nigeria
Bacteremia
Streptococcus pneumoniae
Salmonella typhi
Anti-Bacterial Agents
10 Citations (Scopus)

Host response transcriptional profiling reveals extracellular components and ABC (ATP-binding cassette) transporters gene enrichment in typhoid fever-infected Nigerian children

Khoo, S. K., Petillo, D., Parida, M., Tan, A. C., Resau, J. H. & Obaro, S. K., Sep 13 2011, In : BMC Infectious Diseases. 11, 241.

Research output: Contribution to journalArticle

ATP-Binding Cassette Transporters
Typhoid Fever
Multigene Family
Genes
Vaccines
21 Citations (Scopus)

Impact of immigration on the molecular epidemiology of tuberculosis in Rhode Island

Vanhomwegen, J., Kwara, A., Martin, M., Gillani, F. S., Fontanet, A., Mutungi, P., Crellin, J., Obaro, S., Gosciminski, M., Carter, E. J. & Rastogi, N., Mar 1 2011, In : Journal of clinical microbiology. 49, 3, p. 834-844 11 p.

Research output: Contribution to journalArticle

Molecular Epidemiology
Emigration and Immigration
Tuberculosis
Population
Disease Eradication
2010
25 Citations (Scopus)

Clinical predictors of severe malarial anaemia in a holoendemic Plasmodium falciparum transmission area: Research paper

Novelli, E. M., Hittner, J. B., Davenport, G. C., Ouma, C., Were, T., Obaro, S., Kaplan, S., Ong'Echa, J. M. & Perkins, D. J., Jun 1 2010, In : British Journal of Haematology. 149, 5, p. 711-721 11 p.

Research output: Contribution to journalArticle

Plasmodium falciparum
Anemia
Research
Hemoglobins
Pallor
19 Citations (Scopus)

Impaired generation of hepatitis B virus-specific memory B cells in HIV infected individuals following vaccination

Mehta, N., Cunningham, C. K., Flynn, P., Pepe, J., Obaro, S., Kapogiannis, B. G., Bethel, J. & Luzuriaga, K., May 7 2010, In : Vaccine. 28, 21, p. 3672-3678 7 p.

Research output: Contribution to journalArticle

Hepatitis B virus
hepatitis B
B-lymphocytes
Vaccination
B-Lymphocytes
2008

Infectious issues in adolescents with disabilities

Obaro, S. K., Jan 1 2008, In : International Journal on Disability and Human Development. 7, 3, p. 239-244 6 p.

Research output: Contribution to journalArticle

Chronic Disease
Life Support Care
Survival Rate
Medicine
2005
693 Citations (Scopus)

Efficacy of nine-valent pneumococcal conjugate vaccine against pneumonia and invasive pneumococcal disease in The Gambia: Randomised, double-blind, placebo-controlled trial

Cutts, F. T., Zaman, S. M. A., Enwere, G., Jaffar, S., Levine, O. S., Okoko, J. B., Oluwalana, C., Vaughan, A., Obaro, S. K., Leach, A., McAdam, K. P., Biney, E., Saaka, M., Onwuchekwa, U., Yallop, F., Pierce, N. F., Greenwood, B. M. & Adegbola, R. A., Mar 26 2005, In : Lancet. 365, 9465, p. 1139-1146 8 p.

Research output: Contribution to journalArticle

Gambia
Pneumococcal Pneumonia
Conjugate Vaccines
Pneumococcal Vaccines
Placebos
220 Citations (Scopus)

Elimination of Haemophilus influenzae type b (Hib) disease from The Gambia after the introduction of routine immunisation with a Hib conjugate vaccine: A prospective study

Adegbola, R. A., Secka, O., Lahai, G., Lloyd-Evans, N., Njie, A., Usen, S., Oluwalana, C., Obaro, S., Weber, M., Corrah, T., Mulholland, K., McAdam, K., Greenwood, B. & Milligan, P. J. M., Jul 9 2005, In : Lancet. 366, 9480, p. 144-150 7 p.

Research output: Contribution to journalArticle

Gambia
Haemophilus influenzae type b
Conjugate Vaccines
Immunization
Prospective Studies
16 Citations (Scopus)

Failure of serial human immunodeficiency virus type 1 DNA polymerase chain reactions to identify human immunodeficiency virus type 1 clade A/G

Obaro, S. K., Losikoff, P., Harwell, J. & Pugatch, D., Feb 1 2005, In : Pediatric Infectious Disease Journal. 24, 2, p. 183-184 2 p.

Research output: Contribution to journalArticle

DNA-Directed DNA Polymerase
HIV-1
Polymerase Chain Reaction
Virus Diseases
HIV
333 Citations (Scopus)

Standardized interpretation of paediatric chest radiographs for the diagnosis of pneumonia in epidemiological studies

Cherian, T., Mulholland, E. K., Carlin, J. B., Ostensen, H., Amin, R., De Campo, M., Greenberg, D., Lagos, R., Lucero, M., Madhi, S. A., O'Brien, K. L., Obaro, S. & Steinhoff, M. C., May 1 2005, In : Bulletin of the World Health Organization. 83, 5, p. 353-359 7 p.

Research output: Contribution to journalArticle

Epidemiologic Studies
Pneumonia
Thorax
Reading
Pediatrics
2004
16 Citations (Scopus)

Colostrum obtained from women vaccinated with pneumococcal vaccine during pregnancy inhibits epithelial adhesion of Streptococcus pneumoniae

Deubzer, H. E., Obaro, S. K., Newman, V. O., Adegbola, R. A., Greenwood, B. M. & Henderson, D. C., Nov 15 2004, In : Journal of Infectious Diseases. 190, 10, p. 1758-1761 4 p.

Research output: Contribution to journalArticle

Pneumococcal Vaccines
Colostrum
Streptococcus pneumoniae
Mothers
Pregnancy
29 Citations (Scopus)

Serotype-specific pneumococcal antibodies in breast milk of Gambian women immunized with a pneumococcal polysaccharide vaccine during pregnancy

Obaro, S. K., Deubzer, H. E., Newman, V. O., Adegbola, R. A., Greenwood, B. M. & Henderson, D. C., Nov 1 2004, In : Pediatric Infectious Disease Journal. 23, 11, p. 1023-1029 7 p.

Research output: Contribution to journalArticle

Secretory Immunoglobulin A
Pneumococcal Vaccines
Human Milk
Pregnancy
Antibodies
2003
24 Citations (Scopus)

Vaccines for children: Policies, politics and poverty

Obaro, S. K. & Palmer, A., Mar 28 2003, In : Vaccine. 21, 13-14, p. 1423-1431 9 p.

Research output: Contribution to journalArticle

politics
Politics
Poverty
poverty
Vaccines
57 Citations (Scopus)

Variation in toll-like receptor 4 and susceptibility to group a meningococcal meningitis in Gambian children

Allen, A., Obaro, S., Bojang, K., Awomoyi, A. A., Greenwood, B. M., Whittle, H., Sirugo, G. & Newport, M. J., Nov 1 2003, In : Pediatric Infectious Disease Journal. 22, 11, p. 1018-1019 2 p.

Research output: Contribution to journalArticle

Meningococcal Meningitis
Toll-Like Receptor 4
Meningitis
Neisseria meningitidis
Africa South of the Sahara
2002
26 Citations (Scopus)

Safety and immunogenicity of pneumococcal conjugate vaccine in combination with diphtheria, tetanus toxoid, pertussis and Haemophilus influenzae type b conjugate vaccine

Obaro, S. K., Enwere, G. C., Deloria, M., Jaffar, S., Goldblatt, D., Brainsby, K., Hallander, H., McInnes, P., Greenwood, B. M. & McAdam, K. P. W. J., Oct 1 2002, In : Pediatric Infectious Disease Journal. 21, 10, p. 940-946 7 p.

Research output: Contribution to journalArticle

Diphtheria Toxoid
Haemophilus influenzae type b
Conjugate Vaccines
Pneumococcal Vaccines
Tetanus Toxoid
41 Citations (Scopus)

The new pneumococcal vaccine

Obaro, S. K., Oct 1 2002, In : Clinical Microbiology and Infection. 8, 10, p. 623-633 11 p.

Research output: Contribution to journalArticle

Pneumococcal Vaccines
Conjugate Vaccines
Haemophilus influenzae type b
Streptococcus pneumoniae
Vaccines
2001
2 Citations (Scopus)

Diagnosis of bacterial meningitis [3] (multiple letters)

Enwere, G. E., Obaro, S. K., Berkley, J., Lowe, B., Mwangi, I., Marsh, K. & Newton, C. R. J. C., Nov 3 2001, In : Lancet. 358, 9292, p. 1549-1550 2 p.

Research output: Contribution to journalArticle

Bacterial Meningitides
57 Citations (Scopus)

Evaluation of binax now Streptococcus pneumoniae urinary antigen test in children in a community with a high carriage rate of pneumococcus

Adegbola, R. A., Obaro, S. K., Biney, E. & Greenwood, B. M., Jul 26 2001, In : Pediatric Infectious Disease Journal. 20, 7, p. 718-719 2 p.

Research output: Contribution to journalArticle

Streptococcus pneumoniae
Antigens
Urine
Population
80 Citations (Scopus)

Immunologic memory 5 years after meningococcal A/C conjugate vaccination in infancy

MacLennan, J. M., Obaro, S., Deeks, J., Lake, D., Elie, C., Carlone, G., Moxon, E. R. & Greenwood, B., Jan 1 2001, In : Journal of Infectious Diseases. 183, 1, p. 97-104 8 p.

Research output: Contribution to journalArticle

Immunologic Memory
Secondary Immunization
Vaccination
Control Groups
Inactivated Vaccines
2000
39 Citations (Scopus)

A prospective evaluation of a clinical algorithm for the diagnosis of malaria in Gambian children

Bojang, K. A., Obaro, S., Morison, L. A. & Greenwood, B. M., Jun 6 2000, In : Tropical Medicine and International Health. 5, 4, p. 231-236 6 p.

Research output: Contribution to journalArticle

Malaria
Signs and Symptoms
Fever
Gambia
Health Personnel
41 Citations (Scopus)

Carriage of serogroup W-135, ET-37 meningococci in The Gambia: Implications for immunisation policy?

MacLennan, J. M., Urwin, R., Obaro, S., Griffiths, D., Greenwood, B. & Maiden, M. C. J., Sep 23 2000, In : Lancet. 356, 9235, 1 p.

Research output: Contribution to journalArticle

Gambia
Neisseria meningitidis
Immunization
Vaccines
Serogroup