Medical Microbiology & Parasitology

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Author: search.filters.author.Omoruyi, E. C.Subject: search.filters.subject.Nigeria

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    A 4-Year cross-sectional study of Hepatitis B virus infection among pregnant women: need for policy decision
    (Ecronicon, 2022-03) Fowotade, A.; Omoruyi, E. C.; Adesina, O.; Adekanmbi, O.; Adetunji, S.; Akande, K. O.; Adepoju, A.
    Background: The elimination of hepatitis B virus (HBV) in Nigeria, especially among pregnant women requires commitment from the government and health policy makers. This is predicated on comprehensive surveillance and epidemiological data. The objective of the current study is to provide the epidemiological data and unique perspectives that will inform accurate advocacy and influence policy decisions. Materials and Methods: A 4-year cross-sectional study was conducted among 2,428 consecutively recruited consenting pregnant women attending antenatal care at the University College Hospital, Ibadan, Oyo State, Nigeria. Venous blood was screened for HBsAg using Enzyme Linked Immunosorbent Assay (ELISA). HBsAg sero-negative samples were further tested for other HBV serological markers (anti-HBc, HBeAg and anti-HBe by ELISA. Socio-demographic and clinical details were obtained using a semi-structured questionnaire. Results: Overall HBsAg prevalence was 5.1% (2,305/2,482). Twenty three (1%) of the HBsAg sero-negative women tested positive to both anti-HBc and anti-HBe while 5.3% and 0.8% tested positive to only anti-HBc and anti-HBe, respectively. Additionally, 6.4% (38/594) of the HBV fully vaccinated pregnant women tested positive to HBsAg. Conclusion: Hepatitis B is endemic among Nigerian pregnant women. Serological patterns indicated possible occult hepatitis B infection. More political commitment from government and policy makers is urgently required.
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    Serosurvey of human T cell lymphotropic virus I/II among blood donors in Gombe (Nigeria)
    (EDORIUM Journals, 2016) Manga, M. M.; Fowotade, A.; Yuguda, S.; Iya, G. A.; Yahaya, M.; Sheriff, Y. M.; Omoruyi, E. C.; Yola, I. M.; Bakare, R. A.
    Aim: This study was carried out to determine the prevalence of human T cell lymphotropic virus I/II (HTLV I/II) among blood donors at the Federal Teaching Hospital Gombe (FTHG), North-eastern, Nigeria. Methods: A total of 355 blood donors were recruited at the hematology department of FTHG for a hospital based crosssectional study and were screened/confirmed for HTLV I/II by ELISA and western blot methods. Results: Seroprevalence of HTLV I/II among the 355 participants with mean age of 30.77 years (±8.27) was 6.5% on screening with ELISA but confirmed to be 0% by western blot. Majority were males, 352 (99.2%) and mostly (45.9%) between 21–30 years of age. Donors for family replacements predominated (85.1%) with more than half (58.6%) being first time blood donors. Conclusion: This study reveals the absence of HTLV I/II among blood donors in Gombe Northeastern Nigeria. It also highlights the possibility of false positivity in some of the reported prevalence of HTLV I and II from some parts of Nigeria that were based on screening tests only. The importance of confirmatory testing in all research works on HTLV (including HTLV 3 and HTLV 4) is further strengthened with this study. There is however the need for a larger study and the use of molecular diagnostics to reconfirm this assertion.