{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T08:43:06Z","timestamp":1789634586028,"version":"build-2803163510"},"reference-count":32,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T00:00:00Z","timestamp":1770595200000},"content-version":"vor","delay-in-days":8,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T00:00:00Z","timestamp":1769904000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Influenza Resp Viruses"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Digital participatory surveillance (DPS) may provide information on reported influenza\u2010like illnesses (ILI). Combining DPS with laboratory testing allows pathogen identification. We assessed the feasibility of DPS and home\u2010based self\u2010swabbing (HBSS) in South Africa.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We enrolled a cohort of individuals aged \u2265\u200918\u2009years who completed weekly respiratory symptoms questionnaires from March to October 2022. We calculated the weekly percentage of reported ILI and COVID\u201019 and compared it with weekly private sector respiratory consultations (WPSRC). Symptomatic participants were offered HBSS for influenza and SARS\u2010CoV\u20102 detection by polymerase chain reaction (PCR). We assessed six feasibility indicators.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Recruitment capability: Twenty\u2010six percent (249\/954) of participants accessed the platform and enrolled, and 92% (81\/88) of participants eligible for HBSS were enrolled. Acceptability: Fifteen percent (32\/249) completed the acceptability questionnaire with 100% (32\/32) willing to participate in future studies, and 16% (39\/249) withdrew from the study. Representativeness: Fifty percent (125\/249) were aged 18\u201339\u2009years, predominantly female 71%, and 79% had a tertiary qualification. Reliability: Thirty\u2010eight percent (80\/210) were active participants, median weekly active participation of 23% (interquartile range [IQR]: 19%\u201329%). Accuracy: Two percent (31\/1440) and 25% (359\/1440) of reports met ILI and COVID\u201019, respectively. Influenza and SARS\u2010CoV\u20102 were detected in 7% (6\/81) and 32% (26\/81) of tested samples, respectively. There was low correlation with WPSRC (0.08, 95% CI, 0.27\u20130.43) for ILI and (0.36, 95% CI, 0.11\u20130.62) for COVID19. Usefulness: Symptoms were reported in 32% (459\/1440) of reports, and 11% (49\/459) sought medical care.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The study was feasible; however, low enrolment numbers limit power. Linkage to HBSS was successful and demonstrates the potential for pathogen confirmation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/irv.70225","type":"journal-article","created":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T05:31:42Z","timestamp":1770701502000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Feasibility of a Pilot Crowdsourced Syndromic and Virological Surveillance Platform for Respiratory Illness in South Africa, CoughWatchSA, 2022"],"prefix":"10.1111","volume":"20","author":[{"given":"Mvuyo","family":"Makhasi","sequence":"first","affiliation":[{"name":"Centre for Respiratory Diseases and Meningitis National Institute for Communicable Diseases, a Division of the National Health Laboratory Service  Johannesburg South Africa"},{"name":"School of Public Health University of the Witwatersrand  Johannesburg South 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Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fahima","family":"Moosa","sequence":"additional","affiliation":[{"name":"Centre for Respiratory Diseases and Meningitis National Institute for Communicable Diseases, a Division of the National Health Laboratory Service  Johannesburg South Africa"},{"name":"School of Pathology, Faculty of Health Sciences University of the Witwatersrand  Johannesburg South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicole","family":"Wolter","sequence":"additional","affiliation":[{"name":"Centre for Respiratory Diseases and Meningitis National Institute for Communicable Diseases, a Division of the National Health Laboratory Service  Johannesburg South Africa"},{"name":"School of Pathology, Faculty of Health Sciences University of the Witwatersrand  Johannesburg South 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