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. 2020 Aug 10;6(8):e04673.
doi: 10.1016/j.heliyon.2020.e04673. eCollection 2020 Aug.

Screening and linkage to care for medical students with hepatitis B virus infection in Sierra Leone

Chiyembekezo Kachimanga  1 , Musa Bangura  1 , Emmanuel Nyama  1 , Michael Mhango  1 , Vicky Reed  1 , Marta Patiño Rodriguez  1 , Marta Lado  1
Affiliations

Screening and linkage to care for medical students with hepatitis B virus infection in Sierra Leone

Chiyembekezo Kachimanga et al. Heliyon. .

Abstract

Purpose: Hepatitis B virus (HBV) infection is considered a major public health concern for Sierra Leone. Although medical students are at increased occupational risk for HBV infection, little is known about the burden of HBV infection amongst medical students in Sierra Leone.

Methods: As part of a screening and vaccination campaign, a cross-sectional study on prevalence of HBV among medical students in Freetown was conducted in December 2019. Antigen point of care test was used for HBV screening and data on students' risk history and demographics were collected. Additionally, for students diagnosed positive with HBV, linkage to care and initial assessment data after diagnosis was collected from the HBV clinic they were linked to.

Results: One hundred and fifty-seven medical students (77.3%) from year three to six were screened for HBV infection. Almost all students (98.1%) had never been vaccinated against HBV and more than half (56.7%) reported a history of needle stick injuries. The prevalence of HBV infection (Hepatitis B surface antigen (HBsAg) positivity) was 10.2% (n = 16). Among HBsAg positive students, 75% (n = 12) were successfully enrolled at chronic HBV clinic within three months of diagnosis. Only one student had evidence of liver cirrhosis and was started on treatment with Tenofovir diproxil fumarate.

Conclusion: The prevalence of HBV infection is high among medical students in Sierra Leone. Despite the high prevalence, most of the students linked to care had no evidence of severe liver disease.

Keywords: Clinical research; Hepatitis B virus infection; Hepatobiliary system; Public health; Screening; Sierra Leone; Virology.

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