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7.4 %In Gabon, the overall prevalence of Hepatitis B surface antigen (HBsAg) is 7.4%.

Gabonhépatite Bpublished 2018Journal of Viral HepatitisOpenAlexdocument of 3 observationsDOI 10.1111/jvh.12991

13 %HIV-seropositive pregnant women had an HBV prevalence of 13.0%, compared to 5.8% in HIV-seronegative pregnant women.

Gabonhépatite Bobserved 2009published 2009Pakistan journal of biological sciences : PJBSeurope_pmcdocument of 9 observations

2 foldHBsAg seroprevalence was 2-fold higher among males versus females in first-time blood donors in Gabon.

Gabonhépatite Bpublished 2018PloS oneeurope_pmcdocument of 4 observations

78 %The sensitivity of BIOSYNEX IMMUNOQUICK HBsAg compared to ELISA tests for the detection of HBsAg was 78.0%.

Gabonhépatite Bpublished 2019Journal of clinical laboratory analysiseurope_pmcdocument of 4 observationsDOI 10.1002/jcla.22824

17.5 %Detectable HBV DNA was found in 17.5% (24/137) of HBsAg negative patients.

Gabonhépatite Bpublished 2018PloS onePubMeddocument of 6 observations

8.5 %Median HBsAg prevalence was approximately 8.5% in male blood donors in Gabon.

Gabonhépatite Bpublished 2022Viruseseurope_pmcdocument of 11 observations

81,000,000 inhabitantsThe WHO African Region had 81 million people with chronic hepatitis B in 2019.

Gabonhépatite Bobserved 2019published 2024Frontiers in public healthPubMeddocument of 4 observations

4.5 %Median HBsAg prevalence was approximately 4.5% in female blood donors in Gabon.

Gabonhépatite Bpublished 2022Viruseseurope_pmcdocument of 11 observations

7.28 %The overall seroprevalence of HBsAg in first-time blood donors representative of the urban adult population in Gabon was 7.28%.

Gabonhépatite Bpublished 2018PloS oneeurope_pmcdocument of 4 observations

40 %HBV sub-genotype A3 was found in 40% of characterized HBV strains.

Gabonhépatite Bpublished 2018PloS onePubMeddocument of 6 observations

HBV DNA viral load was significantly higher among patients with CD4 cell counts less than 200 cells/mm³ than those with CD4 cell counts greater than 500 cells/mm³ (p = 0.008).

Gabonhépatite Bpublished 2018PloS onePubMeddocument of 6 observations

77.8 %At 12 months, 77.8% of neonates had HBs antibody positive.

Gabonhépatite Bobserved 12 monthspublished 2021Open Journal of PediatricsOpenAlexdocument of 9 observationsDOI 10.4236/ojped.2021.113044

The prevalence of chronic HBV infection (HBsAg+) seems better controlled before age 16–18 by females infected vertically or horizontally in areas where genotypes B–E are dominant.

Gabonhépatite Bpublished 2022Viruseseurope_pmcdocument of 11 observations

6.7 %At 12 months, 6.7% of neonates were HBsAg positive.

Gabonhépatite Bobserved 12 monthspublished 2021Open Journal of PediatricsOpenAlexdocument of 9 observationsDOI 10.4236/ojped.2021.113044

The burden of HIV, HBV, and HCV infections remains disproportionately high in sub-Saharan Africa.

Gabonhépatite B · hépatite C · VIH/sidapublished 2021PloS onePubMeddocument of 9 observations

87 %87% of children under 15 years of age in Libreville had started and completed their 3 doses of hepatitis B vaccine before the 12th month of age.

Gabonhépatite Bpublished 2022Open Journal of PediatricsOpenAlexdocument of 2 observationsDOI 10.4236/ojped.2022.121022

Occult HBV infections (OBIs) appear considerably more frequent in men.

Gabonhépatite Bpublished 2022Viruseseurope_pmcdocument of 11 observations

2.1 %Sixteen patients (2.1%; 95% CI, 1.2%-3.3%) had HBeAg-negative chronic hepatitis B among 762 HIV-1-positive adults from Gabon surveyed between 2010 and 2013.

Gabonhépatite B · VIH/sidaobserved 2010-2013published 2016PloS onePubMeddocument of 7 observations

10.5 %Among 410 people living with HIV at the Nkembo Outpatient Treatment Center in Gabon, the seroprevalence of hepatitis B virus was 10.5%.

Gabonhépatite Bobserved 2024published 2025Frontiers in public healthPubMed

HBsAg seroprevalence was significantly higher in donors aged 25–35 years compared to donors aged <18 years in Gabon.

Gabonhépatite Bpublished 2018PloS oneeurope_pmcdocument of 4 observations

The seroprevalence of HBsAg in family/replacement donors was significantly higher than that of voluntary non-remunerated donors in Gabon.

Gabonhépatite Bpublished 2018PloS oneeurope_pmcdocument of 4 observations

21.4 %The rate of vertical transmission of HBV was 21.4% (3/14) among HBV-coinfected HIV-positive pregnant women at Saint Camille Medical Centre.

Gabonhépatite Bpublished 2010The Brazilian journal of infectious diseases : an official publication of the Brazilian Soeurope_pmcdocument of 6 observations

0.004 p-valueHGV prevalence was significantly higher in blood donors with hepatitis B antigens compared to donors negative for HCV and no hepatitis B antigens (p=0.004).

Gabonhépatite B · hépatite C · Hepatitis G (HGV)published 2013Mediterranean journal of hematology and infectious diseaseseurope_pmcdocument of 5 observationsDOI 10.4084/mjhid.2013.053

50 %Multiplex PCR detected HBV in 50% of samples, compared to 33% by ELISA.

Gabonhépatite Bpublished 2016The Pan African medical journaleurope_pmcdocument of 4 observations

74.4 %Among the mothers in the study, 74.4% had chronic hepatitis B.

Gabonhépatite Bpublished 2021Open Journal of PediatricsOpenAlexdocument of 9 observationsDOI 10.4236/ojped.2021.113044