Well, not always. Only since 1994 when I read Richard Preston's The Hot Zone.
Last year I got part of the way through a MOOC on epidemics before I had to give up because I couldn't keep up with the work. But I am on their mailing list so I received a link to this video, which is a very good summary of what is going on.
Last year I got part of the way through a MOOC on epidemics before I had to give up because I couldn't keep up with the work. But I am on their mailing list so I received a link to this video, which is a very good summary of what is going on.

See story on Inside Higher Ed. Now if they would just offer one on Supernatural...
And if you don't know what a MOOC is,