Evaluation of the rubella surveillance system in South Africa, 2016-2018 : a cross-sectional study

dc.contributor.authorGavhi, Fhatuwani
dc.contributor.authorDe Voux, Alex
dc.contributor.authorKuonza, Lazarus R.
dc.contributor.authorMotaze, Nkengafac Villyen
dc.date.accessioned2024-09-18T11:54:44Z
dc.date.available2024-09-18T11:54:44Z
dc.date.issued2023-06-23
dc.descriptionDATA AVAILABILITY STATEMENT : All relevant data are within the paper and its Supporting information files.en_US
dc.descriptionSUPPORTING INFORMATION : FILE S1. Manuscript data rubella database. FILE S2. Manuscript data survey database.en_US
dc.description.abstractBACKGROUND : Rubella is a leading vaccine-preventable cause of birth defects. We conducted this study to evaluate the rubella surveillance system in South Africa from 2016 to 2018. The rubella surveillance system had not been evaluated since its inception; therefore, a formal evaluation is necessary to assess key attributes and to ascertain the extent to which the system achieves its objectives. METHODS : We conducted a cross-sectional study to assess the usefulness, simplicity, positive predictive value, timeliness, and data quality of the rubella surveillance system from 2016 to 2018. We reviewed retrospective rubella surveillance data and conducted a survey with key stakeholders of the system. We compiled a summary report from the survey and calculated the annualized detection rate of rubella and non-rubella febrile rash, positive predictive value, the proportion of complete records, and timeliness between the surveillance steps. We compared our results with recommended performance indicators from the 2015 revised World Health Organization African regional guidelines for measles and rubella surveillance. RESULTS : The rubella surveillance system was useful but weak in terms of simplicity. The annualized detection rate of rubella febrile rash was 1.5 per 100,000 populations in 2016, 4.4 in 2017, and 2.1 in 2018. The positive predictive value was 29.1% in 2016, 40.9% in 2017, and 32.9% in 2018. The system did not meet the timeliness goal in the health facility component but met this goal in the laboratory component. The system had poor data quality, particularly in the health facility component. CONCLUSIONS : The rubella surveillance system was useful, although it was not simple to use and had low PPV, poor timeliness, and poor data quality. Efforts should be made to improve the system’s simplicity, PPV, timeliness, and data quality at the facility level.en_US
dc.description.departmentSchool of Health Systems and Public Health (SHSPH)en_US
dc.description.librarianam2024en_US
dc.description.sdgSDG-03:Good heatlh and well-beingen_US
dc.description.urihttps://journals.plos.org/plosone/en_US
dc.identifier.citationGavhi, F., De Voux, A., Kuonza, L. & Motaze, N.V. (2023) Evaluation of the rubella surveillance system in South Africa, 2016–2018: A cross-sectional study. PLoS One 18(6): e0287170. https://DOI.org/10.1371/journal.pone.0287170.en_US
dc.identifier.issn1932-6203 (online)
dc.identifier.other10.1371/journal.pone.0287170
dc.identifier.urihttp://hdl.handle.net/2263/98301
dc.language.isoenen_US
dc.publisherPublic Library of Scienceen_US
dc.rights© 2023 Gavhi et al. This is an open access article distributed under the terms of the Creative Commons Attribution License.en_US
dc.subjectRubella surveillance systemen_US
dc.subjectBirth defectsen_US
dc.subjectPositive predictive value (PPV)en_US
dc.subjectSDG-03: Good health and well-beingen_US
dc.subjectSouth Africa (SA)en_US
dc.titleEvaluation of the rubella surveillance system in South Africa, 2016-2018 : a cross-sectional studyen_US
dc.typeArticleen_US

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