Limitations
\label{limitations}
We have not conducted controlled evaluations for separate insights on
the individual visual analytics features described in the Application
section.
While the data are limited, we plan to get data permissions to add many
times as many studies and multiple new assays. Investigators have
expressed that each new dataset increases the value of every other.
Dimensions such as subject demographics and adverse events that may
point to vaccine safety issues are also in our development backlog.
Still, eight out of 10 target users (and all non-target users) reported
the data already in the system were personally valuable.
The results are encouraging but the true test of value is scientific
impact on papers, studies, and collaborations, which we plan to measure
over time through personal follow-up on automatic usage cues.