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Article: Effectiveness of CoronaVac and BNT162b2 vaccines against Severe Acute Respiratory Syndrome Coronavirus 2 Omicron BA.2 infections in Hong Kong

TitleEffectiveness of CoronaVac and BNT162b2 vaccines against Severe Acute Respiratory Syndrome Coronavirus 2 Omicron BA.2 infections in Hong Kong
Authors
Yang, BWong, OLXiao, JTsang, KLTLiao, QCowling, BJ
Keywordsvaccine effectiveness
SARS-CoV-2
asymptomatic
booster dose
Issue Date2022
Citation
The Journal of Infectious Diseases, 2022 How to Cite?
DOI: http://dx.doi.org/10.1093/infdis/jiac360
AbstractThere is limited evidence on vaccine effectiveness against asymptomatic or mild Omicron infections. We estimated that recent third doses of messenger RNA or inactivated vaccines reduced the risk of self-reported infection by 52% (95% confidence interval, 17%-73%) among randomly sampled adults during the Omicron BA.2-dominated surge in Hong Kong. Using self-reported vaccination and testing results for coronavirus disease 2019 among a random adult population in Hong Kong, we estimated that third doses of messenger RNA or inactivated vaccines could provide moderate level of protection during the Omicron BA.2 surge.
Persistent Identifierhttp://hdl.handle.net/10722/317245
ISSN
0022-1899
2021 Impact Factor: 7.759
2020 SCImago Journal Rankings: 2.690
ISI Accession Number ID
WOS:000853178000001

 

DC FieldValueLanguage
dc.contributor.authorYang, B-
dc.contributor.authorWong, OL-
dc.contributor.authorXiao, J-
dc.contributor.authorTsang, KLT-
dc.contributor.authorLiao, Q-
dc.contributor.authorCowling, BJ-
dc.date.accessioned2022-10-07T10:16:58Z-
dc.date.available2022-10-07T10:16:58Z-
dc.date.issued2022-
dc.identifier.citationThe Journal of Infectious Diseases, 2022-
dc.identifier.issn0022-1899-
dc.identifier.urihttp://hdl.handle.net/10722/317245-
dc.description.abstractThere is limited evidence on vaccine effectiveness against asymptomatic or mild Omicron infections. We estimated that recent third doses of messenger RNA or inactivated vaccines reduced the risk of self-reported infection by 52% (95% confidence interval, 17%-73%) among randomly sampled adults during the Omicron BA.2-dominated surge in Hong Kong. Using self-reported vaccination and testing results for coronavirus disease 2019 among a random adult population in Hong Kong, we estimated that third doses of messenger RNA or inactivated vaccines could provide moderate level of protection during the Omicron BA.2 surge.-
dc.languageeng-
dc.relation.ispartofThe Journal of Infectious Diseases-
dc.subjectvaccine effectiveness-
dc.subjectSARS-CoV-2-
dc.subjectasymptomatic-
dc.subjectbooster dose-
dc.titleEffectiveness of CoronaVac and BNT162b2 vaccines against Severe Acute Respiratory Syndrome Coronavirus 2 Omicron BA.2 infections in Hong Kong-
dc.typeArticle-
dc.identifier.emailYang, B: yangby@hku.hk-
dc.identifier.emailWong, OL: iolwong@hku.hk-
dc.identifier.emailTsang, KLT: matklab@hku.hk-
dc.identifier.emailLiao, Q: qyliao11@hku.hk-
dc.identifier.emailCowling, BJ: bcowling@hku.hk-
dc.identifier.authorityYang, B=rp02991-
dc.identifier.authorityWong, OL=rp01806-
dc.identifier.authorityTsang, KLT=rp02571-
dc.identifier.authorityLiao, Q=rp02100-
dc.identifier.authorityCowling, BJ=rp01326-
dc.identifier.doi10.1093/infdis/jiac360-
dc.identifier.hkuros337329-
dc.identifier.isiWOS:000853178000001-

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