Evaluating the effectiveness of Hong Kong's border restriction policy in reducing COVID-19 infections.

BMC Public Health · 2022 · PMC9023047 · PMID 35449094

Europe PMC DOI

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may not be significantno p-value reported

This finding suggests that the effects of border restrictions or inter-city travel restrictions on COVID-19 control may not be significant when there is already an outbreak in the local communities.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.