EVOLVE-HBV (Evaluation of Vukuzazi LiVEr disease - Hepatitis B): A retrospective serosurvey of Hepatitis B Virus (HBV) infection, exposure, and vaccine-mediated immunity using archived samples from the Vukuzazi Study (2018-2020).

South Africa, 2018 - 2020

Reference ID

AHRI.EVOLVE.HBV

Producer(s)

Siyabonga Nxumalo, Lusanda Mazibuko, Nompumelelo Mkwanazi, Prof Philippa C Matthews, Prof Collins Iwuji, Dr Motswedi Anderson, Kathy Baisley, Gregory Ording-Jespersen, Mark Siedner, Emily Wong, Willem Hanekom, Vukuzazi Field Team, Sample Processing Unit, Khanyi Msomi, Theresa Smit, Dickman Gareta,

Metadata

Documentation in PDF DDI/XML JSON

Created on

Jul 14, 2026

Last modified

Jul 14, 2026

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Individual study outcome (studyoutcome)

Data file: vk_evolve

Overview

Valid: 2200

Invalid: 0

Type: Discrete

Decimal: 0

Width: 12

Range: 1 - 10

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Did not attend mobile clinic	0	0%
2	Lacked capacity	0	0%
3	Disenrolled from the study	0	0%
4	Enrolled into the study	2200	100%
5	Non-contact	0	0%
6	Premature-completion	0	0%
7	Refused invitation card	0	0%
8	No attempt made	0	0%
9	Incomplete visit	0	0%
10	Refused study enrolment	0	0%

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

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