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J. Manyahi · SciRah

Researcher profile · Semantic Scholar

J. Manyahi

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J. Manyahi — researcher profile on SciRah

h-index: 18
Works: 82
Citations: 958

Most-cited papers

Predominance of multi-drug resistant bacterial pathogens causing surgical site infections in Muhimbili national hospital, Tanzania
J. Manyahi, M. Matee, M. Majigo, S. Moyo +2 more
2014BMC Research Notes131 citations Open access
Semantic Scholar
Identification and antimicrobial resistance patterns of bacterial enteropathogens from children aged 0–59 months at the University Teaching Hospital, Lusaka, Zambia: a prospective cross sectional study
Harriet Chiyangi, J. Muma, S. Malama, J. Manyahi +3 more
2017BMC Infectious Diseases84 citations Open access
Semantic Scholar
Prevalence of HIV and syphilis infections among pregnant women attending antenatal clinics in Tanzania, 2011
J. Manyahi, Boniphace S. Jullu, Mathias I. Abuya, J. Juma +7 more
2015BMC Public Health62 citations Open access
Semantic Scholar
Multi-drug resistant bacteria predict mortality in bloodstream infection in a tertiary setting in Tanzania
J. Manyahi, U. Kibwana, Edna Mgimba, M. Majigo
2020PLoS ONE46 citations Open access
Semantic Scholar
Detection of CTX-M-15 beta-lactamases in Enterobacteriaceae causing hospital- and community-acquired urinary tract infections as early as 2004, in Dar es Salaam, Tanzania
J. Manyahi, S. Moyo, M. Tellevik, F. Ndugulile +3 more
2017BMC Infectious Diseases45 citations Open access
Semantic Scholar
High sero-prevalence of hepatitis B virus and human immunodeficiency virus infections among pregnant women attending antenatal clinic at Temeke municipal health facilities, Dar es Salaam, Tanzania: a cross sectional study
J. Manyahi, Y. Msigwa, F. Mhimbira, M. Majigo
2017BMC Pregnancy and Childbirth37 citations Open access
Semantic Scholar
Infective endocarditis in developing countries: An update
R. Mutagaywa, J. Vroon, L. Fundikira, A. M. Wind +7 more
2022Frontiers in Cardiovascular Medicine31 citations Open access
Semantic Scholar
Prevalence and incidence rate of tuberculosis among HIV-infected patients enrolled in HIV care, treatment, and support program in mainland Tanzania
M. Majigo, G. Somi, A. Joachim, J. Manyahi +8 more
2020Tropical Medicine and Health31 citations Open access
Semantic Scholar
High Level of Multidrug-Resistant Gram-Negative Pathogens Causing Burn Wound Infections in Hospitalized Children in Dar es Salaam, Tanzania
F. Kabanangi, A. Joachim, E. Nkuwi, J. Manyahi +2 more
2021International Journal of Microbiology30 citations Open access
Semantic Scholar
Bacteraemia, Malaria, and Case Fatality Among Children Hospitalized With Fever in Dar es Salaam, Tanzania
S. Moyo, J. Manyahi, B. Blomberg, M. Tellevik +7 more
2020Frontiers in Microbiology28 citations Open access
Semantic Scholar
Antibiotic use at a tertiary hospital in Tanzania: findings from a point prevalence survey
Denis Katyali, Godfrey Kawau, Bjørn Blomberg, J. Manyahi
2023Antimicrobial Resistance and Infection Control26 citations Open access
Semantic Scholar
Bacteriological Spectrum of Post Operative Wound Infections and their Antibiogram in a Tertiary Hospital, Dar es salaam, Tanzania
J. Manyahi
201224 citations
Semantic Scholar
Aetiology of ear infection and antimicrobial susceptibility pattern among patients attending otorhinolaryngology clinic at a tertiary hospital in Dar es Salaam, Tanzania: a hospital-based cross-sectional study
Aminiel Shangali, D. Kamori, Willybroad Massawe, Salim S. Masoud +8 more
2023BMJ Open21 citations Open access
Semantic Scholar
High fecal carriage of extended Beta Lactamase producing Enterobacteriaceae among adult patients admitted in referral hospitals in Dar es Salaam, Tanzania
U. Kibwana, M. Majigo, D. Kamori, J. Manyahi
2019BMC Infectious Diseases21 citations Open access
Semantic Scholar
Fluoroquinolone resistance among fecal extended spectrum βeta lactamases positive Enterobacterales isolates from children in Dar es Salaam, Tanzania
U. Kibwana, J. Manyahi, H. Sandnes, B. Blomberg +4 more
2023BMC Infectious Diseases20 citations Open access
Semantic Scholar
First identification of bla NDM-5 producing Escherichia coli from neonates and a HIV infected adult in Tanzania
J. Manyahi, S. Moyo, U. Kibwana, Richard N. Goodman +5 more
2022Journal of Medical Microbiology20 citations Open access
Semantic Scholar
High Prevalence of Fecal Carriage of Extended Spectrum β-Lactamase-Producing Enterobacteriaceae Among Newly HIV-Diagnosed Adults in a Community Setting in Tanzania
J. Manyahi, S. Moyo, M. Tellevik, N. Langeland +1 more
2020Microbial Drug Resistance20 citations Open access
Semantic Scholar
Pediatric HIV care and treatment services in Tanzania: implications for survival
G. Somi, M. Majigo, J. Manyahi, J. Nondi +7 more
2017BMC Health Services Research18 citations Open access
Semantic Scholar
Molecular Characterization of Cotrimoxazole Resistance Genes and Their Associated Integrons in Clinical Isolates of Gram-Negative Bacteria from Tanzania
J. Manyahi, M. Tellevik, F. Ndugulile, S. Moyo +2 more
2017Microbial Drug Resistance16 citations
Semantic Scholar
High rate of antimicrobial resistance and multiple mutations in dihydrofolate reductase gene among Streptococcus pneumoniae isolated from HIV-infected adults in a community setting in Tanzania.
J. Manyahi, S. Moyo, S. Aboud, N. Langeland +1 more
2020Journal of Global Antimicrobial Resistance15 citations Open access
Semantic Scholar
Prevalence and bacteriology of tonsillitis among patients attending otorhinolaryngology Department at Muhimbili National Hospital, Dar es Salaam- Tanzania
Z. Abraham, Jane Bazilio, A. Kahinga, J. Manyahi +2 more
2019The Medical Journal of Zambia15 citations Open access
Semantic Scholar
Gastrointestinal colonization of Extended-Spectrum Beta lactamase producing bacteria among children below five years of age hospitalized with fever in Dar es Salaam, Tanzania.
U. Kibwana, J. Manyahi, H. Sandnes, B. Blomberg +3 more
2022Journal of Global Antimicrobial Resistance14 citations Open access
Semantic Scholar
Predominance of multidrug-resistant Salmonella Typhi genotype 4.3.1 with low-level ciprofloxacin resistance in Zanzibar
A. Onken, S. Moyo, M. Miraji, J. Bohlin +10 more
2024PLoS Neglected Tropical Diseases13 citations Open access
Semantic Scholar
Molecular characterisation of the first New Delhi metallo-β-lactamase 1-producing Acinetobacter baumannii from Tanzania
S. Moyo, J. Manyahi, Alasdair T. M. Hubbard, R. Byrne +6 more
2021Transactions of the Royal Society of Tropical Medicine and Hygiene13 citations Open access
Semantic Scholar
Colonization of Extended-spectrum β-lactamase producing Enterobacterales and meticillin-resistant S. aureus in the intensive care unit at a tertiary hospital in Tanzania: Implications for Infection control and prevention
J. Manyahi, M. Majigo, U. Kibwana, D. Kamori +1 more
2022Infection Prevention in Practice12 citations Open access
Semantic Scholar
Fecal carriage and factors associated with extended-spectrum β-lactamase-producing Enterobacteriaceae among pregnant women at the tertiary referral hospital, Tanzania
Ambele M. Mwandigha, D. Kamori, U. Kibwana, Salim S. Masoud +2 more
2020Tropical Medicine and Health12 citations Open access
Semantic Scholar
Antimicrobial resistance profile of Enterococcus species and molecular characterization of Vancomycin resistant Enterococcus faecium from the fecal samples of newly diagnosed adult HIV patients in Dar es Salaam, Tanzania
U. Kibwana, J. Manyahi, S. Moyo, Bjørn Blomberg +3 more
2024Frontiers in Tropical Diseases11 citations Open access
Semantic Scholar
Predominance of Multidrug-Resistant Gram-Negative Bacteria on Contaminated Surfaces at a Tertiary Hospital in Tanzania: A Call to Strengthening Environmental Infection Prevention and Control Measures
A. Joachim, J. Manyahi, Habiba Issa, Jackline Lwoga +2 more
2023Current Microbiology11 citations
Semantic Scholar
Predominance of PVL-negative community-associated methicillin-resistant Staphylococcus aureus sequence type 8 in newly diagnosed HIV-infected adults, Tanzania
J. Manyahi, S. Moyo, S. Aboud, N. Langeland +1 more
2021European Journal of Clinical Microbiology and Infectious Diseases11 citations Open access
Semantic Scholar
Use of probiotics to reduce infections and death and prevent colonization with extended-spectrum beta-lactamase (ESBL)-producing bacteria among newborn infants in Tanzania (ProRIDE Trial): study protocol for a randomized controlled clinical trial
Kanika Kuwelker, N. Langeland, I. H. Löhr, Joshua Gidion +4 more
2020Trials11 citations Open access
Semantic Scholar
Predictors of Surgical Site Infections among Patients Undergoing Open Urological Surgery at a Tertiary Hospital, Tanzania: A Cross Sectional Study
J. Manyahi, U. Kibwana, Victor Sensa, S. Yongolo +1 more
2019East African Health Research Journal11 citations Open access
Semantic Scholar
Home administration of a multistrain probiotic once per day for 4 weeks to newborn infants in Tanzania (ProRIDE): a double-blind, placebo-controlled randomised trial.
Claus Klingenberg, M. Justine, S. Moyo, I. H. Löhr +12 more
2025Lancet Global Health8 citations Open access
Semantic Scholar
Decline in the prevalence HIV among pregnant women attending antenatal clinics in Tanzania 2001-2011.
J. Manyahi, Boniphace S. Jullu, Mathias I. Abuya, J. Juma +8 more
20178 citations Open access
Semantic Scholar
Microbial Aetiology of Vaginal Discharge In Relation To Intra-Vaginal Practices among Women Attending Reproductive Health Clinic in Dar Es Salaam, Tanzania.
M. Majigo, F. Mhalu, J. Manyahi, S. Aboud +2 more
20158 citations
Semantic Scholar
A natural history of AMR in Klebsiella pneumoniae: Global diversity, predictors, and predictions of evolutionary pathways
Olav N. L. Aga, S. Moyo, J. Manyahi, U. Kibwana +4 more
2026bioRxiv6 citations Open access
Semantic Scholar
Urinary tract infections and associated factors among patients with an enlarged prostate at a tertiary hospital, Dar es Salaam, Tanzania: a hospital-based cross-sectional study
E. Niccodem, M. Majigo, O. Nyongole, J. Manyahi +5 more
2024BMJ Open6 citations Open access
Semantic Scholar
Genetic determinants of macrolide and tetracycline resistance in penicillin non-susceptible Streptococcus pneumoniae isolates from people living with HIV in Dar es Salaam, Tanzania
J. Manyahi, S. Moyo, N. Langeland, B. Blomberg
2023Annals of Clinical Microbiology and Antimicrobials6 citations Open access
Semantic Scholar
Predominance of multidrug-resistant bacteria causing urinary tract infections among men with prostate enlargement attending a tertiary hospital in Dar es Salaam, Tanzania
E. Niccodem, Anthon Mwingwa, Aminiel Shangali, J. Manyahi +4 more
2023Bulletin of the National Research Centre6 citations Open access
Semantic Scholar
Extended-spectrum-β-lactamase-producing Gram-negative bacteria are associated with high mortality in children with bloodstream infections in Dar es Salaam, Tanzania
S. Moyo, J. Manyahi, S. Aboud, Kristine Mørch +3 more
2025BMC Infectious Diseases5 citations Open access
Semantic Scholar
Predominance of non-Candida albicans species oral colonisation among patients on anticancer therapy: findings from a cross-sectional study in Tanzania
U. Kibwana, J. Manyahi, D. Kamori, Martha F. Mushi +2 more
2023BMJ Open5 citations Open access
Semantic Scholar
Co-existence of two blaNDM-5 and blaOXA-181 on distinct plasmids in a carbapenem-resistant Klebsiella pneumoniae from a tertiary hospital, Tanzania.
L. Mapunda, Anthon Mwingwa, D. Kamori, Happiness H. Kumburu +3 more
2025Journal of Global Antimicrobial Resistance4 citations Open access
Semantic Scholar
Clinical and laboratory indicators predicting coagulase-negative staphylococci as a cause of bloodstream infection among children below five years of age admitted at a tertiary hospital in Dar es Salaam, Tanzania
Petro Juma, U. Kibwana, Anjela Charles, N. Mkopi +6 more
2025Annals medicus4 citations Open access
Semantic Scholar
Polymicrobial bloodstream infections a risk factor for mortality in neonates at the national hospital, Tanzania: A case-control study
J. Manyahi, A. Joachim, F. Msafiri, Mary Migiro +4 more
2024PLoS ONE4 citations Open access
Semantic Scholar
Occurrence of Pantoea agglomerans bloodstream infection in neonatal intensive care unit at tertiary hospital in Tanzania: antibiotic susceptibility profile and clinical outcome
Salim S. Masoud, M. Majigo, Raidah R. Gangji, Helmut A. Nyawale +5 more
2024Bulletin of the National Research Centre4 citations Open access
Semantic Scholar
Seroprevalence and risk factors of Toxoplasmosis among HIV infected women of child-bearing age attending care and treatment clinics in Dar es Salaam, Tanzania
U. Kibwana, J. Manyahi, Lilian Nkinda, Dominic S. Renatus +2 more
2022African Health Sciences4 citations Open access
Semantic Scholar
Ciprofloxacin resistance in community and hospital-acquired urinary tract infections: a systematic review and meta-analysis from African population
U. Kibwana, J. Manyahi, Deodatus Sabas, Rehema Chande +3 more
2025BMC Infectious Diseases3 citations Open access
Semantic Scholar
Occurrence of virulence genes icaADBC and antibiotic resistance genes blaZ, mecA, and aac(6’)-Ie-aph (2’’)-Ia in coagulase-negative staphylococci isolates from neonates with sepsis at a regional referral hospital in Dar es Salaam, Tanzania
Anjela Charles, M. Majigo, J. Makupa, U. Kibwana +9 more
2024Bulletin of the National Research Centre3 citations Open access
Semantic Scholar
Laboratory-Confirmed Blood Stream Infections and Antimicrobial Resistance Pattern of Isolates from Febrile Pediatric Patients at Tertiary Hospital in Tanzania
A. Joachim, Calvin Andrea, F. Msafiri, Emmanuel Mang'ombe +3 more
2023Tanzania Journal of Health Research3 citations Open access
Semantic Scholar
A point prevalence survey on antibiotic dispensing practices identifies targets for quality improvement of antimicrobial stewardship in community pharmacies in Dar es Salaam, Tanzania
Mary Migiro, M. Majigo, A. Joachim, D. Kamori +4 more
2026Journal of Pharmaceutical Policy and Practice2 citations Open access
Semantic Scholar
Faecal Carriage of Multidrug Resistant Enterobacterales and Associated Factors among Neonates Admitted at Tertiary Hospital in Dar es Salaam, Tanzania
Hadija A. Salega, D. Kamori, U. Kibwana, J. Manyahi +7 more
2025East African Health Research Journal2 citations Open access
Semantic Scholar

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M. Majigo×22
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M. Majigo — researcher profile on SciRah
S. Moyo×20
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S. Moyo — researcher profile on SciRah
U. Kibwana×18
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U. Kibwana — researcher profile on SciRah
N. Langeland×14
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N. Langeland — researcher profile on SciRah

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B. Blomberg — researcher profile on SciRah

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D. Kamori — researcher profile on SciRah

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A. Joachim — researcher profile on SciRah

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S. Mshana — researcher profile on SciRah

Bjørn Blomberg×7

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Bjørn Blomberg — researcher profile on SciRah

Salim S. Masoud×6

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Salim S. Masoud — researcher profile on SciRah

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S. Aboud — researcher profile on SciRah

Anthon Mwingwa×5

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Anthon Mwingwa — researcher profile on SciRah