Department of Biomedical Sciences
City University of Hong Kong
COVID-19 RESOURCE

COVID-19 in Hong Kong :
Confirmation Delay

Last Updated : 16/6/2025

Confirmation delay in reporting cases
This figure shows the average delay in reporting cases in Hong Kong. Visualise the entire data or a specific range by entering the dates in the boxes below.
Filter dates (DD/MM/YYYY) :

Jan 2020Apr 2020Jul 2020Oct 2020Jan 2021Apr 2021Jul 2021Oct 2021Jan 2022Apr 202205101520253035
Local with Epi-link - 7-day averageLocal without Epi-link - 7-day average Local cases linked with Imported cases - 7-day average Locally acquired cases - 7-day average Local with Epi-linkLocal without Epi-linkLocal cases linked with Imported casesLocally acquired casesDays

This figure shows the daily delay in reporting cases in Hong Kong. Visualise the entire data or a specific range by entering the dates in the boxes above.
Jan 2020Apr 2020Jul 2020Oct 2020Jan 2021Apr 2021Jul 2021Oct 2021Jan 20220102030405060
Average confirmation delay (days)
Confirmation delay in ages
This chart shows the proportion of reported cases with delay, classified according to different age groups.

Currently showing data for cases reported between 04/02/2020 and 20/02/2020.

Click on legend entries to hide/view items.

Change the dates here.


To learn more about the data and the methodology, click here.

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