Seroprevalence of Severe Acute Respiratory Syndrome Coronavirus 2-Specific Antibodies in Australia After the First Epidemic Wave in 2020: A National Survey Article Swipe
Kaitlyn Vette
,
Dorothy A. Machalek
,
Heather F. Gidding
,
Suellen Nicholson
,
Matthew O’Sullivan
,
John B. Carlin
,
Marnie Downes
,
Lucy Armstrong
,
Frank Beard
,
Dominic E. Dwyer
,
Robert Gibb
,
Iain B. Gosbell
,
Alexandra Hendry
,
Geoff Higgins
,
Rena Hirani
,
Linda Hueston
,
David O. Irving
,
Helen Quinn
,
Hannah Shilling
,
David W. Smith
,
John Kaldor
,
Kristine Macartney
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1093/ofid/ofac002
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1093/ofid/ofac002
Background As of mid-2021, Australia’s only nationwide coronavirus disease 2019 (COVID-19) epidemic occurred in the first 6 months of the pandemic. Subsequently, there has been limited transmission in most states and territories. Understanding community spread during the first wave was hampered by initial limitations on testing and surveillance. To characterize the prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-specific antibody seroprevalence generated during this time, we undertook Australia’s largest national SARS-CoV-2 serosurvey. Methods Between June 19 and August 6, 2020, residual specimens were sampled from people undergoing general pathology testing (all ages), women attending antenatal screening (20–39 years), and blood donors (20–69 years) based on the Australian population’s age and geographic distributions. Specimens were tested by Wantai total SARS-CoV-2-antibody assay. Seroprevalence estimates adjusted for test performance were produced. The SARS-CoV-2 antibody-positive specimens were characterized with microneutralization assays. Results Of 11 317 specimens (5132 general pathology; 2972 antenatal; 3213 blood-donors), 71 were positive for SARS-CoV-2-specific antibodies. Seroprevalence estimates were 0.47% (95% credible interval [CrI], 0.04%–0.89%), 0.25% (CrI, 0.03%–0.54%), and 0.23% (CrI, 0.04%–0.54%), respectively. No seropositive specimens had neutralizing antibodies. Conclusions Australia’s seroprevalence was extremely low (<0.5%) after the only national COVID-19 wave thus far. These data and the subsequent limited community transmission highlight the population’s naivety to SARS-CoV-2 and the urgency of increasing vaccine-derived protection.
Related Topics
Concepts
Seroprevalence
Medicine
Transmission (telecommunications)
Population
Antibody
Epidemiology
Pandemic
Virology
Immunology
Pediatrics
Coronavirus disease 2019 (COVID-19)
Serology
Internal medicine
Disease
Environmental health
Infectious disease (medical specialty)
Engineering
Electrical engineering
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1093/ofid/ofac002
- https://academic.oup.com/ofid/article-pdf/9/3/ofac002/42504381/ofac002.pdf
- OA Status
- gold
- Cited By
- 16
- References
- 27
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4210645247
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4210645247Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1093/ofid/ofac002Digital Object Identifier
- Title
-
Seroprevalence of Severe Acute Respiratory Syndrome Coronavirus 2-Specific Antibodies in Australia After the First Epidemic Wave in 2020: A National SurveyWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-01-31Full publication date if available
- Authors
-
Kaitlyn Vette, Dorothy A. Machalek, Heather F. Gidding, Suellen Nicholson, Matthew O’Sullivan, John B. Carlin, Marnie Downes, Lucy Armstrong, Frank Beard, Dominic E. Dwyer, Robert Gibb, Iain B. Gosbell, Alexandra Hendry, Geoff Higgins, Rena Hirani, Linda Hueston, David O. Irving, Helen Quinn, Hannah Shilling, David W. Smith, John Kaldor, Kristine MacartneyList of authors in order
- Landing page
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https://doi.org/10.1093/ofid/ofac002Publisher landing page
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https://academic.oup.com/ofid/article-pdf/9/3/ofac002/42504381/ofac002.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://academic.oup.com/ofid/article-pdf/9/3/ofac002/42504381/ofac002.pdfDirect OA link when available
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Seroprevalence, Medicine, Transmission (telecommunications), Population, Antibody, Epidemiology, Pandemic, Virology, Immunology, Pediatrics, Coronavirus disease 2019 (COVID-19), Serology, Internal medicine, Disease, Environmental health, Infectious disease (medical specialty), Engineering, Electrical engineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
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16Total citation count in OpenAlex
- Citations by year (recent)
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2025: 2, 2024: 2, 2023: 5, 2022: 7Per-year citation counts (last 5 years)
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27Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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