20 Result(s)

Article

Systematic review and meta-analysis of hepatitis E seroprevalence in Southeast Asia: a comprehensive assessment of epidemiological patterns

The burden of hepatitis E in Southeast Asia is substantial, influenced by its distinct socio-economic and environmental factors, as well as variations in healthcare systems. The aim of this study was to assess...

Ulugbek Khudayberdievich Mirzaev, Serge Ouoba, Ko Ko, Zayar Phyo… in BMC Infectious Diseases (2024)

Article

The impact of COVID-19 on hepatitis B and C virus prevention, diagnosis, and treatment in Bangladesh compared with Japan and the global perspective

This study aimed to assess the effect of COVID-19 on hepatitis-related services in Bangladesh and compared the situation with same study conducted in Japan and globally.

Md Razeen Ashraf Hussain, Mohammad Ali, Aya Sugiyama… in BMC Health Services Research (2023)

Article

Despite low viral titer in saliva samples, Sanger-based SARS-CoV-2 spike gene sequencing is highly applicable for the variant identification

This study aimed to compare the performance of Sanger-based SARS-CoV-2 spike gene sequencing and Next Generation Sequencing (NGS)-based full-genome sequencing for variant identification in saliva samples with ...

Ko Ko, Kazuaki Takahashi, Noriaki Ito, Aya Sugiyama… in BMC Medical Genomics (2023)

Article

Residual risk of mother-to-child transmission of HBV despite timely Hepatitis B vaccination: a major challenge to eliminate hepatitis B infection in Cambodia

In countries with intermediate or high hepatitis B virus (HBV) endemicity, mother-to-child transmission (MTCT) represents the main route of chronic HBV infection. There is a paucity of information on HBV MTCT ...

Bunthen E, Ko Ko, Rattana Kim, Shintaro Nagashima, Serge Ouoba… in BMC Infectious Diseases (2023)

Article

Intermediate hepatitis B virus infection prevalence among 1622 pregnant women in rural Burkina Faso and implications for mother-to-child transmission

In highly endemic countries for hepatitis B virus (HBV) infection, childhood infection, including mother-to-child transmission (MTCT), represents the primary transmission route. High maternal DNA level (viral ...

Serge Ouoba, Ko Ko, Moussa Lingani, Shintaro Nagashima… in Scientific Reports (2023)

Article

Author Correction: Seroepidemiological study of factors affecting anti-spike IgG antibody titers after a two-dose mRNA COVID-19 vaccination in 3744 healthy Japanese volunteers

Aya Sugiyama, Akemi Kurisu, Shintaro Nagashima, Kiyomi Hando… in Scientific Reports (2023)

Article

Seroepidemiological study of factors affecting anti-spike IgG antibody titers after a two-dose mRNA COVID-19 vaccination in 3744 healthy Japanese volunteers

Several factors related to anti-spike(S) IgG antibody titers after mRNA COVID-19 vaccination have been elucidated, but the magnitude of the effects of each factor has not been fully understood. This cross-sect...

Aya Sugiyama, Akemi Kurisu, Shintaro Nagashima, Kiyomi Hando… in Scientific Reports (2022)

Article

Prevalence and risk factors of malaria among first antenatal care attendees in rural Burkina Faso

The WHO recommends continuous surveillance of malaria in endemic countries to identify areas and populations most in need for targeted interventions. The aim of this study was to assess the prevalence of malar...

Moussa Lingani, Serge H. Zango, Innocent Valéa… in Tropical Medicine and Health (2022)

Article

Distribution of FIB-4 index in the general population: analysis of 75,666 residents who underwent health checkups

Fatty liver is frequently found in a general population, and it is critical to detect advanced fibrosis. FIB-4 index is considered a useful marker for evaluating liver fibrosis but the distribution of FIB-4 in...

Aya Sugiyama, Akemi Kurisu, Bunthen E, Serge Ouoba, Ko Ko… in BMC Gastroenterology (2022)

Article

Prevalence and genotype distribution of viral hepatitis B in Cambodia between 1990 and 2020: a systematic review and meta-analysis

Hepatitis B virus (HBV) infection is one of the major public health problems globally as well as in Cambodia. Continuous information on HBV infection burden is required to implement effective disease control s...

Bunthen E, Pichetra Ou, Serge Ouoba, Md Razeen Ashraf Hussain… in Archives of Public Health (2022)

Article

Long COVID occurrence in COVID-19 survivors

This cross-sectional study aimed to investigate the post-acute consequences of COVID-19. We conducted a self-administered questionnaire survey on sequelae, psychological distress (K6), impairments in work perf...

Aya Sugiyama, Kei Miwata, Yoshihiro Kitahara, Mafumi Okimoto… in Scientific Reports (2022)

Article

Low birth weight and its associated risk factors in a rural health district of Burkina Faso: a cross sectional study

Low birth weight (LBW) is a major factor of neonate mortality that particularly affects develo** countries. However, the scarcity of data to support decision making to reduce LBW occurrence is a major obstac...

Moussa Lingani, Serge Henri Zango, Innocent Valéa… in BMC Pregnancy and Childbirth (2022)

Article

Mass Screening of SARS-CoV-2 Variants using Sanger Sequencing Strategy in Hiroshima, Japan

This study aimed to develop the feasible and effective universal screening strategy of the notable SARS-CoV-2 variants by Sanger Sequencing Strategy and then practically applied it for mass screening in Hirosh...

Ko Ko, Kazuaki Takahashi, Shintaro Nagashima, Bunthen E, Serge Ouoba… in Scientific Reports (2022)

Article

Epidemiologic profile of hepatitis C virus infection and genotype distribution in Burkina Faso: a systematic review with meta-analysis

Detailed characteristics of Hepatitis C virus (HCV) infection in Burkina Faso are scarce. The main aim of this study was to assess HCV seroprevalence in various settings and populations at risk in Burkina Faso...

Serge Ouoba, Jean Claude Romaric **dwinde Ouedraogo… in BMC Infectious Diseases (2021)

Article

A randomized, double-blind, phase 2b study to investigate the efficacy, safety, tolerability and pharmacokinetics of a single-dose regimen of ferroquine with artefenomel in adults and children with uncomplicated Plasmodium falciparum malaria

For uncomplicated Plasmodium falciparum malaria, highly efficacious single-dose treatments are expected to increase compliance and improve treatment outcomes, and thereby may slow the development of resistance. T...

Yeka Adoke, Rella Zoleko-Manego, Serge Ouoba, Alfred B. Tiono… in Malaria Journal (2021)

Article

Prevalence of total hepatitis A antibody among 5 to 7 years old children and their mothers in Cambodia

This study determined the prevalence of total hepatitis A antibody (anti-HAV) among 5–7 years old children and their mothers in the whole Cambodia, using a nationwide study, and examined the differences betwee...

Shintaro Nagashima, Ko Ko, Chikako Yamamoto, E. Bunthen, Serge Ouoba… in Scientific Reports (2021)

Article

The changing epidemiology of hepatitis B and C infections in Nanoro, rural Burkina Faso: a random sampling survey

This study sought to provide up-to-date hepatitis B (HBV) and C (HCV) seroprevalence in rural Burkina Faso decade after hepatitis B vaccine was introduced in the national immunization scheduled for children.

Moussa Lingani, Tomoyuki Akita, Serge Ouoba, Shintaro Nagashima… in BMC Infectious Diseases (2020)

Article

African isolates show a high proportion of multiple copies of the Plasmodium falciparum plasmepsin-2 gene, a piperaquine resistance marker

Today, the development of new and well-tolerated anti-malarial drugs is strongly justified by the emergence of Plasmodium falciparum resistance. In 2014–2015, a phase 2b clinical study was conducted to evaluate t...

Didier Leroy, Fiona Macintyre, Yeka Adoke, Serge Ouoba, Aissata Barry… in Malaria Journal (2019)

Article

High prevalence of hepatitis B infections in Burkina Faso (1996–2017): a systematic review with meta-analysis of epidemiological studies

Hepatitis B virus (HBV) infection was long considered an important public health concern in Burkina Faso and still represents a major cause of liver cancer and cirrhosis in the active population. To counter th...

Moussa Lingani, Tomoyuki Akita, Serge Ouoba, Armel Moumini Sanou… in BMC Public Health (2018)