"Harry's vision of an apocalyptic plague is as chilling as it is plausible. This masterful thriller will leave you terrified, enthralled, and desperate for the next entry in the series."
--Kira Peikoff, author of No Time to Die and Die Again Tomorrow
"After a devastating epidemic that changes the very nature of humans, two sisters, an epidemiologist, and a neurobiologist hold the key to humanity's...