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
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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
Created on
Jul 14, 2026
Last modified
Jul 14, 2026
Page views
796
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- Data files
- vk_evolve
Age category at recruitment (ageatrecruitmentcat)
Data file: vk_evolve
Overview
Valid:
2197
Invalid:
3
Type:
Discrete
Decimal:
0
Width:
12
Range:
1 - 12
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | <20 | 511 |
23.3%
|
| 2 | 20-24 | 502 |
22.8%
|
| 3 | 25-29 | 148 |
6.7%
|
| 4 | 30-34 | 159 |
7.2%
|
| 5 | 35-39 | 155 |
7.1%
|
| 6 | 40-44 | 143 |
6.5%
|
| 7 | 45-49 | 162 |
7.4%
|
| 8 | 50-54 | 125 |
5.7%
|
| 9 | 55-59 | 96 |
4.4%
|
| 10 | 60-64 | 75 |
3.4%
|
| 11 | 65-69 | 56 |
2.5%
|
| 12 | 70+ | 65 |
3%
|
| Sysmiss | 3 |
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.