Christopher E. Okaka
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Christopher E. Okaka has a total of 7 co-authors. Here are the top co-authors by number of shared publications:
A.O. Awharitoma
Department of Zoology, University of Benin, PMB 1154, Benin City, Nigeria
1 shared publication- Eucaris Torres Leon
Malaria Branch, Division of Parasitic Diseases and Malaria (DPDM), Centers for Disease Control and Prevention (CDC), Atlanta, USA
1 shared publication - Frederick Olusegun Akinbo
Department of Pathology, University of Benin Teaching Hospital, Benin City, Nigeria
1 shared publication - Lihua Xiao
State Key Laboratory for Animal Disease Control and Prevention, Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
1 shared publication - Richard Omoregie
School of Medical Laboratory Sciences, University of Benin Teaching Hospital, Benin City, Nigeria
1 shared publication S.E. Obaze
University of Benin
1 shared publication
Latest Publications
- 1 March 2012
- Published by American Society of Tropical Medicine and Hygiene in The American Journal of Tropical Medicine and Hygiene
- Vol. 86 (3) , 441-445
Molecular Epidemiologic Characterization of Enterocytozoon bieneusi in HIV-Infected Persons in Benin City, Nigeria
Molecular characterization of Enterocytozoon bieneusi has led to better understanding of microsporidiosis transmission in humans. This study aimed to detect and genotype E. bieneusi in human immunodeficiency virus (HIV)-infected persons. Stool specimens were collected from 463 HIV-infected patients and analyzed for E. bieneusi by polymerase chain reaction (PCR) and DNA sequence analysis of the internal transcribed spacer. E. bieneusi was detected in 77 HIV patients. CD4 cell counts < 200 cells/μL was associated with E. bieneusi infection (P = 0.09). E. bieneusi was significantly associated with weight loss (P < 0.0001), diarrhea (P = 0.006), fever (P < 0.0001), not being married (P < 0.0001), and flush type of toilet (P = 0.0007). Six known genotypes of D, A, IV, CAF2, EbpA, and Peru 8 in 31, 22, 14, 2, 1, and 1 patients, respectively, five novel genotypes of E. bieneusi, and one infection with mixed genotypes were observed in this study. Three of the novel genotypes were genetically distant to the genotypes commonly found in humans.
- 1 March 2012
- Published by American Society of Tropical Medicine and Hygiene in The American Journal of Tropical Medicine and Hygiene
- Vol. 86 (3) , 441-445
Molecular Epidemiologic Characterization of Enterocytozoon bieneusi in HIV-Infected Persons in Benin City, Nigeria
Molecular characterization of Enterocytozoon bieneusi has led to better understanding of microsporidiosis transmission in humans. This study aimed to detect and genotype E. bieneusi in human immunodeficiency virus (HIV)-infected persons. Stool specimens were collected from 463 HIV-infected patients and analyzed for E. bieneusi by polymerase chain reaction (PCR) and DNA sequence analysis of the internal transcribed spacer. E. bieneusi was detected in 77 HIV patients. CD4 cell counts < 200 cells/μL was associated with E. bieneusi infection (P = 0.09). E. bieneusi was significantly associated with weight loss (P < 0.0001), diarrhea (P = 0.006), fever (P < 0.0001), not being married (P < 0.0001), and flush type of toilet (P = 0.0007). Six known genotypes of D, A, IV, CAF2, EbpA, and Peru 8 in 31, 22, 14, 2, 1, and 1 patients, respectively, five novel genotypes of E. bieneusi, and one infection with mixed genotypes were observed in this study. Three of the novel genotypes were genetically distant to the genotypes commonly found in humans.
- 1 March 2003
- Published by Cambridge University Press (CUP) in Journal of Helminthology
- Vol. 77 (1) , 1-5
Larval stages of Brachylaima fuscatum in the terrestrial snail Limicolaria aurora from southern Nigeria
Larval stages of Brachylaima fuscatum in the terrestrial snail Limicolaria aurora from southern Nigeria - Volume 77 Issue 1 - A.O. Awharitoma, C.E. Okaka, S.E. Obaze
- 1 March 2003
- Published by Cambridge University Press (CUP) in Journal of Helminthology
- Vol. 77 (1) , 1-5
Larval stages of Brachylaima fuscatum in the terrestrial snail Limicolaria aurora from southern Nigeria
Larval stages of Brachylaima fuscatum in the terrestrial snail Limicolaria aurora from southern Nigeria - Volume 77 Issue 1 - A.O. Awharitoma, C.E. Okaka, S.E. Obaze