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. 2021 Jul 14;14:100211. doi: 10.1016/j.lanwpc.2021.100211

Table 2.

Key parameter prior and posterior distributions from the Philippines model. All parameters with the term “adjuster” allow for modification to the best estimates from the literature. Adjuster values are multiplicative factors applied to the odds ratio. An adjuster value of one indicates no adjustment is needed, a value below one indicates the parameter is lower in the Philippines, and a value above one indicates the parameter is higher in the Philippines. MHS is the Minimum Health Standards and refers to the microdistancing function that proportionally reduces the probability of transmission given contact.

Parameter Prior distribution Prior distribution parameters Posterior credible interval centiles
2.5th 50th 97.5th
Incubation period (days) Truncated normal Mean 5.5, standard deviation 0.97, truncated range [1, infinity) 3.70 5.42 7.36
Duration actively infectious (days) Truncated normal Mean 6.5, standard deviation 0.77, truncated range [4, infinity) 5.19 6.49 7.95
Infection risk per contact Uniform Range 0.02-0.04 0.029 0.033 0.038
Symptomatic proportion adjuster Uniform Range 0.5-2.0 0.589 1.23 1.91
Infection fatality adjuster Uniform Range 0.5-2.0 0529 1.07 1.91
hospitalisation proportion adjuster Uniform Range 0.5-2.0 0.588 1.34 1.96
Maximum effect of MHS (proportion) Uniform Range 0.1-0.6 0.13 0.20 0.27
Case Detection Rate at testing rate of 1 test per 10,000 per day (proportion) Uniform Range 2-20 2.88% 9.81% 19.3%
Infectious seed (persons) Uniform Range 10-100 17.80 71.50 97.90