Microbiology Made Ridiculously Simple Latest Edition -

Marcus laughed out loud. A real, genuine laugh. He hadn't laughed in weeks.

Below it, in bold:

“If you can tell a story, you can save a life.” microbiology made ridiculously simple latest edition

Influenza was the clumsy party crasher who kept changing its jacket (antigenic drift) or showing up in a completely new disguise (antigenic shift). The drawing of a flu virus in a fake mustache and sunglasses was absurdly effective. Marcus laughed out loud