"When college student Alicia Gaden notices everyone around her is rude and violent, she senses that it has something to do with the foul-tasting water. Her suspicions are confirmed when, suddenly, the city erupts into chaos. A lethal virus, spread through the water supply, is turning healthy people into something vicious." ― quoted from this book's product page on Amazon.com website as of 2019-02-08.
Source · ISFDB CC BY 4.0