Five disease research scientists are trapped in their underground laboratory by the containment system after an experimental airborne drug leaks out, only to discover it may have deadly side-effects.
In a story a lead character has a goal, your logline has neither a lead character or a goal. It simply presents a situation.
1: Who is the lead character?
2: What is their goal
3: What is standing in the way of the lead character’s goal?
4: What must the lead character do about it?