Common Cold Viruses

Common Cold Viruses

(alt-text)

"It's not an influenza, but the onset has notes of the '09 H1N1 strain." "Ah yes, that was a good year for H1N1."

Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—out now. Order it here!