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. 2021 Feb 17;19:50. doi: 10.1186/s12916-021-01934-5

Table 1.

Number of COVID-19 community cases not detected per week under varied prevalence of COVID-19 and non-COVID-19 acute respiratory illness/fever and cough symptom weekly point prevalence, per million population

Weekly point prevalence of non-COVID-19 ARI /fever and cough Total non- COVID-19 ARI/ fever and cough presentations per week Number of patients tested per week 0.01% COVID-19 prevalence (100 cases in total) 0.1% COVID-19 prevalence (1000 cases in total) 0.5% COVID-19 prevalence (5000 cases in total)
% all (COVID-19 and non-COVID-19) ARI/fever and cough tested Number of COVID-19 ARI/fever and cough cases in population not tested % all (COVID-19 and non-COVID-19) ARI/fever and cough tested Number of COVID-19 ARI/fever and cough cases in population not tested % all (COVID-19 and non-COVID-19) ARI/fever and cough tested Number of COVID-19 ARI/fever and cough cases in population not tested
2% 20,000 15,000 75% 25 71% 286 60% 2000
4% 40,000 15,000 37% 63 37% 634 33% 3333
6% 60,000 15,000 25% 75 25% 754 23% 3846
2% 20,000 20,000 100% 0 95% 48 80% 1000
4% 40,000 20,000 50% 50 49% 512 44% 2778
6% 60,000 20,000 33% 67 33% 672 31% 3462
2% 20,000 25,000 124% 0 119% 0 100% 0
4% 40,000 25,000 62% 38 61% 390 56% 2222
6% 60,000 25,000 42% 58 41% 590 38% 3077
2% 20,000 30,000 149% 0 143% 0 120% 0
4% 40,000 30,000 75% 25 73% 268 67% 1667
6% 60,000 30,000 50% 50 49% 508 46% 2692
2% 20,000 40,000 199% 0 190% 0 160% 0
4% 40,000 40,000 100% 0 98% 24 89% 556
6% 60,000 40,000 67% 33 66% 344 62% 1923
2% 20,000 60,000 299% 0 286% 0 240% 0
4% 40,000 60,000 150% 0 146% 0 133% 0
6% 60,000 60,000 100% 0 98% 16 92% 385
2% 20,000 70,000 348% 0 333% 0 280% 0
4% 40,000 70,000 175% 0 171% 0 156% 0
6% 60,000 70,000 116% 0 115% 0 108% 0