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. 2021 Aug 9;16(8):e0255864. doi: 10.1371/journal.pone.0255864

Table 3. Suitable testing options for effective control of a disease outbreak keeping contact rates at reported levels .

Testing Number infected (per 10,000 persons) Peak trace and tests per day (per 10,000 persons) Peak quarantine per day (per 10,000 persons)
Transmission rate (p) —> 5% 8% 5% 8% 5% 8%
S+33%U 23 (20, 27) 44 (32, 67) 0 (0, 0) 0 (0, 0) 4 (3, 5) 7 (5, 13)
S+33%T 30 (25, 36) 60 (42, 89) 14 (9, 17) 22 (14, 28) 12 (9, 14) 24 (18, 33)
S+50%T 23 (21, 26) 34 (29, 41) 20 (12, 24) 29 (19, 36) 10 (9, 13) 18 (14, 22)
S+5%U+50%T 19 (17, 21) 25 (22, 29) 8 (7, 13) 16 (10, 19) 6 (5, 7) 9 (8, 12)
S+10%U+50%T 17 (16, 19) 22 (20, 24) 6 (5, 9) 8 (7, 10) 5 (4, 5) 7 (6, 8)
S+20%U+50%T 16 (15, 16) 19 (18, 21) 4 (3, 4) 4 (4, 5) 4 (3, 4) 5 (4, 5)
S+25%U+50%T 15 (15, 16) 18 (17, 20) 3 (2, 4) 3 (3, 3) 3 (3, 4) 4 (4, 4)
S+33%U+50%T 15 (14, 16) 17 (16, 18) 2 (2, 2) 2 (2, 3) 3 (3, 3) 4 (3, 4)
S+5%U+50%dT 30 (26, 34) 45 (38, 55) 26 (16, 32) 46 (36, 64) 15 (12, 18) 26 (21, 34)
S+10%U+50%dT 24 (22, 27) 34 (29, 40) 11 (9, 18) 24 (15, 32) 10 (8, 12) 17 (14, 21)
S+20%U+50%dT 19 (18, 21) 25 (22, 28) 4 (3, 8) 10 (6, 10) 6 (5, 7) 9 (8, 11)
S+25%U+50%dT 18 (17, 19) 22 (20, 25) 3 (3, 3) 6 (4, 8) 5 (5, 5) 7 (6, 9)
S+33%U+50%dT 17 (16, 17) 19 (18, 22) 2 (2, 2) 3 (2, 6) 4 (4, 4) 6 (5, 7)

S: symptomatic testing, U: Mass test, T: trace and test, dT: delayed trace and test.

†Reported value of contact rate is on average between 6 and 8 per person per day under remote instructions [35, 36]; Using our estimations, this would correspond to population size of about 31% and 42%. Results in the table correspond to this contact rate, presented as average (minimum, maximum).

‡ Reported contact rate is on average between 16 and 24 per person per day under face-to-face instructions [42, 43]. None of the scenarios for this contact rate were suitable, and thus, are not presented in the table.

⁋ We defined a testing scenario as suitable if there were no exponential growth in infections when transmission rates were 5% and 8% (corresponding to reported use of face mask and physical distancing [11, 30]).