TABLE 1.

Test samples from the self-reported population. In this context, the rows $D$ and $D^c$ represent test-positive and test-negative groups, respectively. The columns $V$ and $V^c$ denote whether individuals within a specific group (positive or negative) have been vaccinated.

	$V$	$V^c$
$D$	$A^{\prime }$	$C^{\prime }$
$D^c$	$B^{\prime }$	$D^{\prime }$