PloS one · 2025
Hepatitis B (HBsAg) prevalence among obstetric patients in Caluquembe, Angola, 2023-2024.
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Eberwein Anna E, Cummings Priscila Ribeiro, Cummings Daniel, Andre Julia, Jacobsen Kathryn H
Аннотация
OBJECTIVES: Newborns who contract hepatitis B virus (HBV) infections at birth often develop chronic infections that can cause cirrhosis, liver cancer, and death in middle adulthood. Birth doses of hepatitis B vaccine can be lifesaving for babies born to mothers with hepatitis B infections. We aimed to measure hepatitis B prevalence among maternity patients in Huíla, a rural province in southwestern Angola.
METHODS: We conducted a prospective case series study among 317 peripartum women at the Hospital Evangélico de Caluquembe from November 2023 to February 2024. Each participant received a point-of-care hepatitis B surface antigen (HBsAg) test and was asked about HBV and vaccine knowledge. We also conducted qualitative interviews about HBV prevention with 26 healthcare workers.
RESULTS: The HBsAg prevalence was 4.7%. None of the women who tested positive was previously aware of her status. Only about one-third of the women expressed familiarity with hepatitis B or HBV vaccines, and almost none reported that their older children had received HBV vaccines. Maternal health workers proposed hosting community meetings to provide education about HBV and birth-dose vaccination.
CONCLUSIONS: Only about half of Angolan babies are born at healthcare facilities, but more than 80% of women attend at least one antenatal care visit. Improved access to and uptake of hepatitis B screening at antenatal checkups is essential for ensuring that babies born to women with chronic hepatitis B infections are able to receive birth dose hepatitis B vaccines.
METHODS: We conducted a prospective case series study among 317 peripartum women at the Hospital Evangélico de Caluquembe from November 2023 to February 2024. Each participant received a point-of-care hepatitis B surface antigen (HBsAg) test and was asked about HBV and vaccine knowledge. We also conducted qualitative interviews about HBV prevention with 26 healthcare workers.
RESULTS: The HBsAg prevalence was 4.7%. None of the women who tested positive was previously aware of her status. Only about one-third of the women expressed familiarity with hepatitis B or HBV vaccines, and almost none reported that their older children had received HBV vaccines. Maternal health workers proposed hosting community meetings to provide education about HBV and birth-dose vaccination.
CONCLUSIONS: Only about half of Angolan babies are born at healthcare facilities, but more than 80% of women attend at least one antenatal care visit. Improved access to and uptake of hepatitis B screening at antenatal checkups is essential for ensuring that babies born to women with chronic hepatitis B infections are able to receive birth dose hepatitis B vaccines.