Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Steven’s Fever Breaks—Hope Arrives
S3E27
·
The Plague
To
Cure confirmed, trust restored
S3E27
·
The Plague
Why These Connect
The narrative assertion
"Steven's fever breaking, signalling his recovery, leads directly to the Doctor confirming the cure's effectiveness and the subsequent immunization of the population."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.