Even with high vaccination coverage, continually introducing cases through relaxed quarantine is likely to lead to outbreaks that require public health responses. However, greater vaccine coverage provides a variety of response and control options.
Dr Romesh Abeysuriya, Professor Margaret Hellard, Dr Nick Scott


The purpose was to attempt to understand what control strategies are proportionate, in a world with high vaccine coverage, no herd immunity, and an ongoing “leakage” of cases into the community from relaxed quarantine


Contrasting: Findings about not reaching herd immunity and the need for an ongoing public health response are in agreement with other models. The broad consensus highlights the need for further national conversations about what types of “light” restrictions or interventions might be acceptable long term for the community, business and other sectors.

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First published: Jul 23, 2021
Burnet Institute
The Burnet Institute is an Australian medical research institute that combines medical research in the laboratory and the field, with public health action to address major health issues affecting disadvantaged communities in Australia, and internationally.