TABLE 1.

A summary of notations

Notation	Definition/Meaning
$Z_i$	Covariate vector for person i
$D_i^{(g)}$	True infection status for person i at generation g
$Sy{m}_i^{(g)}$	Symptom level for person i at generation g
$S_i^{(g)}$	Selection indicator for testing person i at generation g
$D_i^{\star (g)}$	Observed infection status for person i at generation g
$t_j(z)$	Probability of developing symptom j conditional on being infected with covariate z
$f_j(z)$	Probability of developing symptom j conditional on being uninfected with covariate z
$\alpha$	False positive rate of the diagnostic test
$\beta$	False negative rate of the diagnostic test
N	Total population eligible for testing
$D^{(g)}$	True total number of cases in generation g
$P^{(g)}$	Observed total number of positive tests in generation g $P^{(g)}={\sum }_{i=1}^N{D}_i^{\star (g)}$
$T^{(g)}$	Total number of available tests in generation g