User blog comment:Hitsuji Mamoru/Servant Creation Room 2 : Guess of the Who/@comment-32599925-20170908002630/@comment-32599925-20170911220702

I suppose it could be called that. A single-point-of-release pandemic was the original purpose of what would become her Noble Phantasm, but she's reduced its scope so it wouldn't have any adverse effects on her or her Master.