[1] The book was released in hardback, e-book, and audiobook on January 21, 2014 through Crown Publishing and is set several years after the events in Contagious.

Since that time she has turned into a shut-in out of guilt, something that has torn apart her relationship with the CIA agent Clarence Otto.

Montoya and the others try to do their best to combat the microorganisms and help keep the general public aware, only for many to assume that this is either a coverup for something more human in origin or an outright fabrication.

[2][3] The Chicago Tribune gave Pandemic a mostly favorable review, writing that "The horrors get a bit tedious as the action gets more ludicrous, and the characters are about as deep as cereal boxes, but Sigler deftly revitalizes clichés — raises them from the dead, you might say.

"[4] The Washington Post was more positive, stating "The characters are likable, even the ones who fall prey to the plague’s more monstrous side effects, and the snappy dialogue makes this a fun read.