[x] Identical to primary case -> rapid, close transmission.
[ ] "Closely related" insight -> calling out potential cryptic transmission more explicitly.
[x] Define "transmission event" on first usage (user Q: "does this mean exposure event?")
[x] Primary case language - users notice this and it takes them a minute to parse. Raises an eyebrow until they read the caveats / contextualizing bits down below. Review how we can either change / remove this language or make the contextualizing pieces more apparent.