دورية أكاديمية
The seroprevalence of antibodies to Japanese encephalitis virus in five New South Wales towns at high risk of infection, 2022: a cross-sectional serosurvey.
| العنوان: | The seroprevalence of antibodies to Japanese encephalitis virus in five New South Wales towns at high risk of infection, 2022: a cross-sectional serosurvey. |
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| المؤلفون: | Baldwin Z; National Centre for Epidemiology and Population Health, Australian National University, Canberra, ACT.; Hunter New England Local Health District, Newcastle, NSW., Hueston L; CIDMLS Institute of Clinical Pathology and Medical Research, Sydney, NSW., Roberts-Witteveen A; Southern and Murrumbidgee Local Health District, Goulburn, NSW., Stanley P; Western New South Wales Local Health District, Dubbo, NSW., Sheel M; Sydney School of Public Health, University of Sydney, Sydney, NSW., Winkler N; National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases, Sydney, NSW., Koirala A; National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases, Sydney, NSW.; Nepean Hospital, Nepean Blue Mountains Local Health District, Penrith, NSW., Macartney K; National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases, Sydney, NSW.; The University of Sydney, Sydney, NSW., Case J; New South Wales Department of Health, Sydney, NSW., Hope K; New South Wales Department of Health, Sydney, NSW., Glasgow KM; New South Wales Department of Health, Sydney, NSW. |
| المصدر: | The Medical journal of Australia [Med J Aust] 2024 Jun 17; Vol. 220 (11), pp. 561-565. Date of Electronic Publication: 2024 May 30. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Australasian Medical Publishing Co Country of Publication: Australia NLM ID: 0400714 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1326-5377 (Electronic) Linking ISSN: 0025729X NLM ISO Abbreviation: Med J Aust Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Original Publication: Sydney : Australasian Medical Pub. Co. |
| مواضيع طبية MeSH: | Antibodies, Viral*/blood , Encephalitis Virus, Japanese*/immunology , Encephalitis, Japanese*/epidemiology , Encephalitis, Japanese*/immunology, Adolescent ; Adult ; Aged ; Child ; Child, Preschool ; Female ; Humans ; Infant ; Male ; Middle Aged ; Young Adult ; Cross-Sectional Studies ; Disease Outbreaks ; New South Wales/epidemiology ; Risk Factors ; Seroepidemiologic Studies |
| مستخلص: | Objectives: To determine the proportion of people in New South Wales towns at high risk of Japanese encephalitis virus (JEV) infections during the 2022 outbreak; to identify risk factors for JEV infection. Study Design: Cross-sectional serosurvey study of the seroprevalence of JEV-specific antibodies in NSW. Setting, Participants: Convenience sample of people (all ages) from five regional NSW towns deemed to be at high risk of JEV infections after first outbreak of Japanese encephalitis in southeastern Australia in early 2022 (Balranald, Corowa, Dubbo, Griffith, Temora), 21 June - 22 July 2022. Main Outcome Measures: Proportion of people seropositive for JEV total antibody, assayed by defined epitope-blocking enzyme-linked immunosorbent assay; prevalence odds ratios for exposure risk factors and protective behaviours. Results: Eighty of 917 eligible participants (559 girls or women, 61%; 42 Aboriginal and Torres Strait Islander people, 4.6%; median age, 52 years [IQR, 37-62 years]) were seropositive for JEV-specific total antibody (8.7%); the median age of seropositive people was 61 years (IQR, 48-70 years). The seropositivity proportion was largest for people aged 65 years or more (30 of 192; weighted proportion, 13.7%) and larger for male than female participants (30 of 358, 10.6% v 50 of 559, 7.5%). Five of 42 samples from Aboriginal and Torres Strait Islander participants were seropositive (12%). We found mixed associations with a range of potential risk factors. Conclusion: We found evidence for a substantial number of JEV infections in five regional NSW towns during a single arbovirus season in 2022. Public health responses, including effective surveillance, vaccination against JEV, and mosquito management, are critical for controlling outbreaks. Promoting behaviours that reduce exposure to mosquitoes is a core component of prevention, particularly when the vaccine supply is limited. (© 2024 The Author(s). Medical Journal of Australia published by John Wiley & Sons Australia, Ltd on behalf of AMPCo Pty Ltd.) |
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| معلومات مُعتمدة: | Department of Health, New South Wales Government |
| فهرسة مساهمة: | Keywords: Arbovirus infections; Disease transmission, infectious; Encephalitis, viral; Epidemiology; Public health; RNA virus infections; Surveys and questionnaires; Vaccine preventable disease; Zoonoses |
| المشرفين على المادة: | 0 (Antibodies, Viral) |
| تواريخ الأحداث: | Date Created: 20240530 Date Completed: 20240616 Latest Revision: 20240618 |
| رمز التحديث: | 20240618 |
| DOI: | 10.5694/mja2.52320 |
| PMID: | 38815982 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1326-5377 |
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| DOI: | 10.5694/mja2.52320 |