Betrand Msemwa

ORCID: 0009-0006-0561-859X
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About
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Research Areas
  • Syphilis Diagnosis and Treatment
  • Viral Infections and Vectors
  • Hepatitis B Virus Studies
  • Cytomegalovirus and herpesvirus research
  • Reproductive tract infections research
  • Herpesvirus Infections and Treatments
  • Parvovirus B19 Infection Studies
  • Leptospirosis research and findings
  • Hepatitis Viruses Studies and Epidemiology
  • Hepatitis C virus research
  • Sex work and related issues
  • Urinary Tract Infections Management
  • Cervical Cancer and HPV Research
  • Iron Metabolism and Disorders
  • Dermatological and COVID-19 studies
  • HIV/AIDS Research and Interventions
  • Food Waste Reduction and Sustainability
  • Malaria Research and Control
  • Mosquito-borne diseases and control
  • Antimicrobial Resistance in Staphylococcus
  • Medical Coding and Health Information
  • Antibiotic Use and Resistance
  • Pelvic floor disorders treatments
  • COVID-19 Clinical Research Studies
  • Digital Imaging for Blood Diseases

Catholic University of Health and Allied Sciences
2017-2024

Background: There is a growing body of evidence on the potential involvement coagulase-negative Staphylococci (CoNS) in causing urinary tract infections (UTIs). The aim this study was to delineate virulence potential, antimicrobial resistance genes, and sequence types CoNS isolated from patients with UTI symptoms pyuria Tanzania. Methods: more than 125 leucocytes/μL were retrieved, subcultured, whole-genome sequenced. Results: Out 65 isolates, 8 species identified; Staphylococcus...

10.3390/pathogens12020180 article EN cc-by Pathogens 2023-01-24

Abstract Background HIV-syphilis co-infection can enhance the rapid progression of early or late latent syphilis to neurosyphilis and cause catastrophic neurological complications. In studies in Mwanza, affects ~ 8% healthy outpatients done 1990s have suggested that up 23.5% co-infected patients also neurosyphilis. Methodology This was a cross sectional study which adult HIV infected who were hospitalized attending outpatient Care Treatment Clinic (CTC) interviewed using structured...

10.1186/s12889-020-09984-9 article EN cc-by BMC Public Health 2020-12-01

Abstract Background Sexually transmitted infections (STIs) is a global health problem with increased risk and morbidities during pregnancy. This study investigated the magnitude of viral STIs among pregnant women from three rural hospitals/clinics providing antenatal care in Mwanza region, Tanzania. Methods Between February May 2018, total 499 were enrolled tested for Human immunodeficiency virus (HIV), Herpes simplex virus-2 (HSV-2), Hepatitis B (HBV) C (HCV) using rapid...

10.1186/s12884-019-2567-1 article EN cc-by BMC Pregnancy and Childbirth 2019-10-29

Data on colonization and hospital contamination of carbapenem-resistant Gram-negative bacteria (CR-GNB) are limited in low- middle-income countries. We designed this study to determine the prevalence co-existence carbapenemase genes among CR-GNB isolated from clinical, colonization, environmental samples at a tertiary Mwanza, Tanzania. The modified Hodge test (MHT), combined disk (CDT), double-disk synergy (DDST) were used for phenotypic detection carbapenemases. A multiplex PCR assay was...

10.3390/pathogens11010063 article EN cc-by Pathogens 2022-01-04

The World Health Organisation (WHO) recommends the vaccination against Hepatitis B virus in all infants and children up to age of 18 years. In addition, adults high-risk groups should also be vaccinated. This study investigated prevalence factors associated with Virus (HBV) infections among health professional students city Mwanza, Tanzania order provide data that can assist devising prevention control strategies this special group.A cross-sectional involving Catholic University Allied...

10.1186/s13690-020-00459-2 article EN cc-by Archives of Public Health 2020-08-18

Background: Viral infections such as Human cytomegalovirus (HCMV), Rubella virus (RV) and Herpes simplex virus-2(HSV-2) are implicated in causing adverse pregnancy outcomes with limited data from Africa. Here we report the magnitude of these viruses among women unfavorable (WUP) Mwanza, Tanzania. Methods: A cross sectional study involving 198 WUP was conducted between March June 2019 Mwanza. Enzyme linked immunosorbent assay used to detect HCMV RV IgM IgG antibodies while...

10.24248/eahrj.v7i1.705 article EN cc-by East African Health Research Journal 2023-07-12

This study investigated seroepidemiology of Leptospira serovars among the dog keepers and their dogs in city Mwanza, Tanzania. A total 205 414 were tested for antibodies using a microscopic agglutination test (MAT). The median age was 26 (inter quartile range (IQR): 17–40) years duration keeping 36 (IQR: 24–120) months. seropositivity (33/205 (16.1%, 95% CI: 11.0–21.1) (66/414 (15.9%, 12.4–19.4) dogs, p = 0.4745. Among (Sokoine, Grippotyphosa, Kenya, Pomona Hebdomadis), most prevalent...

10.3390/pathogens10050609 article EN cc-by Pathogens 2021-05-16

Background: Despite blood transfusion being a lifesaving option, it may be associated with borne infections including human cytomegalovirus(HCMV). The World Health Organization recommends screening of products for HCMV before to pregnant women, neonates and immunocompromised patients. However, this is not routinely practised in many resource limited countries.Objective: This study aimed at determining seroprevalence specific IgM antibodies among volunteered donors the Lake Victoria zone...

10.4314/ahs.v19i3.7 article EN African Health Sciences 2019-11-04

Leptospirosis is a zoonotic neglected tropical disease with worldwide distribution caused by the pathogenic spirochetes of genus Leptospira. Despite being widespread in regions, it has never been considered routine diagnostic panel for febrile patients. This study determined seropositivity and factors associated Leptospira antibodies among adult patients Mwanza, Tanzania. The cross-sectional involving 296 attending different outpatient clinics Mwanza region was conducted between May July...

10.3390/tropicalmed7080173 article EN cc-by Tropical Medicine and Infectious Disease 2022-08-09

Background: Blood transfusion saves life of patients with severe anaemia. However, blood can transmit blood-borne parasites. Despite malaria being endemic in Tanzania, there is limited information on asymptomatic among donors. This study determined the prevalence and associated factors donors at Lake Zone Victoria Transfusion Centre Mwanza, Tanzania.Methods: A cross-sectional was conducted between March April 2016 without any symptoms malaria. During donation, samples were collected from...

10.4314/thrb.v19i2.4 article EN Tanzania journal of health research/Tanzania Journal of Health Research 2017-04-06

<title>Abstract</title> Introduction: High-risk human-papilloma viruses 16 and 18 (HR-HPV HR-HPV-18) are well known to be associated with carcinoma of the cervix, head neck, penis, anus. Low-risk human papillomaviruses 6 11 (LR-HPV LR 11) infection has been anogenital warts, oral papilloma, laryngeal papillomatosis in children. HPV during pregnancy LR-HPV) increases risk vertical transmission from infected pregnant women unborn The burden HR-HPV type LR-HPV is not documented among attending...

10.21203/rs.3.rs-4730074/v1 preprint EN cc-by Research Square (Research Square) 2024-08-16

High-risk human-papilloma viruses 16 and 18 (HR-HPV HR-HPV-18) are well known to be associated with carcinoma of the cervix, head neck, penis, anus. Low-risk human papillomaviruses 6 11 (LR-HPV LR 11) infection has been anogenital warts, oral papilloma, laryngeal papillomatosis in children. HPV during pregnancy LR-HPV) increases risk vertical transmission from infected pregnant women unborn The burden HR-HPV type LR-HPV is not documented among attending antenatal clinics (ANC). This study...

10.1186/s13027-024-00608-0 article EN cc-by-nc-nd Infectious Agents and Cancer 2024-10-09

Background: Aflatoxin arises from toxigenic Aspergillus species, which infect maize because of improper storage, insufficient drying, extended storage periods, and suboptimal farming practices. This study investigated the aflatoxin contamination in for human consumption within specific markets Mwanza, Tanzania. Methodology: A cross-sectional was conducted June to August 2021. Maize samples were analyzed using ELISA followed by descriptive statistical data analysis. Results: total 90...

10.4314/ahs.v24i3.15 article EN African Health Sciences 2024-10-06

Background: Hepatitis B virus is a significant public health concern, especially among high-risk groups such as diabetic patients. infection can lead to serious liver diseases hepatocellular carcinoma and cirrhosis. Precise data on the prevalence of infections in these are crucial for executing targeted interventions aimed at reducing transmission. Here, we report factors associated with patients Mwanza, Tanzania. Methodology: A cross-sectional study involving 177 was conducted between May...

10.37284/ijar.7.1.2556 article EN International Journal of Advanced Research 2024-12-27

Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the ongoing disease 2019 (COVID-19) pandemic. Despite fact that it affects all ages and profiles, some evidence shows patients with comorbidities, including diabetes, obesity, hypertension, are likely to be most affected. For chronic diseases, such as human immunodeficiency virus (HIV), information scarce, a few studies from high-income countries. This study reports predictors of SARS-CoV-2...

10.3390/covid3040031 article EN cc-by COVID 2023-03-24

diagnosis, prevention, and surveillance of diseases relies on high quality laboratory services. However, accessibility availability the services among healthcare facilities remains a serious challenge sub-Saharan African countries. This study investigated preparedness district clinical laboratories for ISO 15189: 2012 accreditation scheme using Stepwise Laboratory Quality Improvement Process towards Accreditation (SLIPTA) checklistin Lake Zone, Tanzania.this descriptive cross-sectional was...

10.11604/pamj.2022.41.208.25692 article EN PubMed 2022-01-01

Accuracy in the diagnosis is a key step to identify HIV infected individuals for appropriate management. Insufficient supply of manufacturer´s buffers relation number strips per kit has negative impact on patient´s results hence improper In resource limited settings, some laboratory staff use different substitute which never been validated their reliability. This study aimed at comparing performance 0.85% saline and SD-Bioline buffer detection antibodies. A total 220 whole blood specimens:...

10.11604/pamj.2020.37.241.24234 article EN cc-by Pan African Medical Journal 2020-01-01

Abstract BACKGROUND HIV-syphilis co-infection is a combination that enhances rapid progression of early syphilis or late latent to neurosyphilis and can cause catastrophic neurological complications. In studies in Mwanza, affects ~8% healthy outpatients, older have suggested up 23.5% co-infected patients also

10.21203/rs.2.13375/v2 preprint EN cc-by Research Square (Research Square) 2020-01-06

Urogenital pathogens such as Chlamydia trachomatis, Neisseria gonorrhoeae, Mycoplasma genitalium and Trichomonas vaginalis have been reported to cause pyuria, however they are not routinely cultured from urine samples of patients clinically diagnosed urinary tract infections (UTI). In this study, pathogen specific PCR was done identify the urogenital in among UTI with negative routine culture.A cross-sectional study conducted involving 227 archived positive leucocyte esterase but culture...

10.1016/j.ijregi.2022.12.007 article EN cc-by-nc-nd IJID Regions 2022-12-27

BACKGROUND: Sickle cell disease (SCD) describes a group of inherited red blood disorders. People with SCD have abnormal haemoglobin (Hb), called Hb S. In all forms SCD, at least one the two genes causes person's body to make countries limited resources, diagnostic technique should be simple and easy perform high sensitivity specificity.METHODS: This study compared paperbased sickle test sodium metabisulfite sickling using electrophoresis as gold standard. It was crosssectional hospitalbased...

10.4103/joah.joah_62_17 article EN cc-by-nc-sa Journal of Applied Hematology 2018-01-01

Abstract Background: HIV-syphilis co-infection is a combination that enhances rapid progression of early syphilis or late latent to neurosyphilis and can cause catastrophic neurological complications. In studies in Mwanza, affects ~8% healthy outpatients, older have suggested up 23.5% co-infected patients also neurosyphilis. The study aimed at determining the prevalence syphilis, associated factors among HIV infected attending Bugando Medical Center. Methods: This was cross sectional which...

10.21203/rs.2.13375/v1 preprint EN cc-by Research Square (Research Square) 2019-08-22

Abstract Background: HIV-syphilis co-infection can enhance the rapid progression of early or late latent syphilis to neurosyphilis and cause catastrophic neurological complications. In studies in Mwanza, affects ~8% healthy outpatients done 1990s have suggested that up 23.5% co-infected patients also neurosyphilis. Methodology: This was a cross sectional study which adult HIV infected who were hospitalized attending outpatient Care Treatment Clinic (CTC) interviewed using structured...

10.21203/rs.2.13375/v4 preprint EN cc-by Research Square (Research Square) 2020-12-09

Abstract BACKGROUND HIV-syphilis co-infection is a combination that enhances rapid progression of early syphilis or late latent to neurosyphilis and can cause catastrophic neurological complications. In studies in Mwanza, affects ~8% healthy outpatients, older have suggested up 23.5% co-infected patients also

10.21203/rs.2.13375/v3 preprint EN cc-by Research Square (Research Square) 2020-02-10

Stillbirth adversely affects pregnancy outcomes in low- and middle-income countries (LMICs). Viral infections have been implicated as one of the causes stillbirths. Despite high rates stillbirths viral prevalence LMICs, there is limited information regarding their association. This study investigated magnitude herpes simplex 2 virus (HSV-2) human cytomegalovirus (HCMV) among women with macerated stillbirth.A cross-sectional hospital-based was conducted involving 279 stillbirth between July...

10.1155/2022/2156835 article EN cc-by Journal of Pregnancy 2022-09-08
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