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. 2022 Sep 2;19(17):10959. doi: 10.3390/ijerph191710959

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Changes in the number of TPG with different daily detectability. (a) The daily detectability from 700,000 cases to 750,000 cases with an interval of 10,000 cases in HK; (b) The daily detectability between [7,000,000 cases 7,500,000 cases] with an interval of 50,000 in US; (c) The daily detectability between [600,000 cases 670,000 cases] with an interval of 10,000 in HK; (d) The daily detectability between [6,000,000 cases 6,700,000 cases] with an interval of 50,000 in US; (e) The daily detectability between [500,000 cases 580,000 cases] with an interval of 10,000 in HK; (f) The daily detectability between [5,000,000 cases 5,800,000 cases] with an interval of 50,000 in US; (g) The daily detectability between [400,000 cases 480,000 cases] with an interval of 10,000 in HK; (h) The daily detectability between [4,000,000 cases 4,800,000 cases] with an interval of 50,000 in US.

Changes in the number of TPG with different daily detectability. (a) The daily detectability from 700,000 cases to 750,000 cases with an interval of 10,000 cases in HK; (b) The daily detectability between [7,000,000 cases 7,500,000 cases] with an interval of 50,000 in US; (c) The daily detectability between [600,000 cases 670,000 cases] with an interval of 10,000 in HK; (d) The daily detectability between [6,000,000 cases 6,700,000 cases] with an interval of 50,000 in US; (e) The daily detectability between [500,000 cases 580,000 cases] with an interval of 10,000 in HK; (f) The daily detectability between [5,000,000 cases 5,800,000 cases] with an interval of 50,000 in US; (g) The daily detectability between [400,000 cases 480,000 cases] with an interval of 10,000 in HK; (h) The daily detectability between [4,000,000 cases 4,800,000 cases] with an interval of 50,000 in US.