whats the story and/or questions?
It is a declarative sentence as it is making a statement.
Interrogative- question (?)
Imperative- request/order/advice
Exclamatory- surprise (!)
Declarative- simple statement
It can be passed by respiration, aka, through breathing.
They can also be passed through blood, aka, if you consume or ingest someone’s blood.
Dramatic Form:
This is the way a story is told (so it's told dramatically)
that is the only one I know sorry :( hope this helped though