Publications by authors named "Martin Gael Oyono"
Article Synopsis
- The epidemiology and ecology of Mycobacterium ulcerans (MU) infections are not well understood, especially regarding disease burden, host range, and transmission methods.
- A review of 155 articles from various countries showed MU's presence in humans, animals, plants, and environmental samples, with prevalence rates varying widely.
- Significant gaps exist in understanding the viability of MU in non-human reservoirs, prompting a need for further research on its transmission routes and host interactions.
Background: The association between hospitalization for human respiratory syncytial virus (HRSV) bronchiolitis in early childhood and subsequent asthma is well established. The long-term prognosis for non-bronchiolitis lower respiratory tract infections (LRTI) caused by viruses different from HRSV and rhinovirus, on the other hand, has received less interest.
Aim: To investigate the relationship between infant LRTI and later asthma and examine the influence of confounding factors.
This study aimed to assess the global prevalence of occult hepatitis B in blood donors. We searched PubMed, Web of Science, Global Index Medicus, and Excerpta Medica Database. Study selection and data extraction were performed by at least two independent investigators.
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- Yellow fever (YF) has seen a resurgence over the past two decades, leading to outbreaks in endemic areas and new regions, which poses significant public health challenges.
- This systematic review analyzed data on the case fatality rate (31.1% in humans) and the prevalence of the yellow fever virus (YFV) in humans (9.4%), mosquitoes, and non-human primates in sub-Saharan Africa, based on 55 studies.
- The findings emphasize the ongoing virus transmission and highlight the urgent need for strategies like the WHO's Eliminate Yellow Fever Epidemics initiative to prevent future outbreaks in the region.
Background: Occult hepatitis C infection (OCI) is characterized by the presence of hepatitis C virus (HCV) RNA in the liver, peripheral blood mononuclear cells (PBMC) and/or ultracentrifuged serum in the absence of detectable HCV-RNA in serum. OCI has been described in several categories of populations including hemodialysis patients, patients with a sustained virological response, immunocompromised individuals, patients with abnormal hepatic function, and apparently healthy subjects.
Aim: To highlight the global prevalence of OCI.
Epidemiology of hepatitis B virus and/or hepatitis C virus infections among people living with human immunodeficiency virus in Africa: A systematic review and meta-analysis.
PLoS One
June 2022
Article Synopsis
- In Africa, HIV coinfection with hepatitis B (HBV) and hepatitis C (HCV) is a significant public health issue, yet data on its epidemiology and case fatality rates are limited.
- A systematic review of 4388 articles identified 314 studies, revealing a 4.4% case fatality rate for HBV among people living with HIV (PLHIV) and various prevalence rates for HBV (10.5%), HCV (5.4%), and their coinfection (0.7%).
- The findings highlight the need for targeted public health efforts to address the complex interplay of these infections in Africa, given the observed variability and challenges in data reporting.
A substantial amount of epidemiological data has been reported on Enterovirus D68 (EV-D68) infections after the 2014 outbreak. Our goal was to map the case fatality rate (CFR) and prevalence of current and past EV-D68 infections. We conducted a systematic review (PROSPERO, CRD42021229255) with published articles on EV-68 infections in PubMed, Embase, Web of Science and Global Index Medicus up to January 2021.
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