We might need more manpower to help us with this.

Whoa... Is it really that serious?

But where did he catch it in the first place...?

We need to treat at least the patient's family, friends and neighbors.

Smallpox is extremely contagious.

Ah, of course!

We'll start by vaccinating the people who came with him.

Huh?

It's going to get busy from here.

I was wondering if we'd need it, but I'm glad I kept that cowpox in storage.