High attack rate of SARS-CoV-2 B.1.1.529 among two-dose vaccinated populations in two indoor entertainment setting outbreaks
Field | Value | Language |
dc.contributor.author | Liu, Bette | en_AU |
dc.contributor.author | Stepien, Sandrine | en_AU |
dc.contributor.author | Pye, Victoria | en_AU |
dc.contributor.author | Law, Charlee | en_AU |
dc.contributor.author | Dalton, Craig | en_AU |
dc.contributor.author | Durrheim, David N | en_AU |
dc.contributor.author | Macartney, Kristine | en_AU |
dc.date.accessioned | 2022-07-04T00:45:42Z | |
dc.date.available | 2022-07-04T00:45:42Z | |
dc.date.issued | 2022 | |
dc.identifier.uri | https://hdl.handle.net/2123/28988 | |
dc.description.abstract | We estimated attack rates of SARS-CoV-2 B.1.1.529 (Omicron) infection among people attending a nightclub and a graduation ball where >95% had at least 2 vaccine doses. Attack rates were 295/535(55.1%) and 102/189(54.0%) respectively (mean: 5 days post-event). At the ball, attack rates increased with time since vaccination: 12.5% among those vaccinated 1-2 months previously; 68.0% among those vaccinated 3 + months previously; such differences were not found at the nightclub. Recent vaccination prevents Omicron infection, but is time and setting-dependent, emphasising the importance of non-pharmaceutical public health measures in addition to vaccine booster doses to maximise protection in high-risk contexts. | en_AU |
dc.language.iso | en | en_AU |
dc.subject | COVID-19 | en_AUI |
dc.subject | Coronavirus | en_AUI |
dc.title | High attack rate of SARS-CoV-2 B.1.1.529 among two-dose vaccinated populations in two indoor entertainment setting outbreaks | en_AU |
dc.type | Article | en_AU |
dc.identifier.doi | 10.1093/infdis/jiac184 |
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