People who feel unwell should try to avoid others. This helps stop the spread of the virus. The more contact people have with an infected person, the faster a virus spreads. Discover more in Staying Safe from Viruses, part of the Understanding Viruses series.

Viruses are contagious. They can be passed from person to person. They can also be passed to a person by an animal. Discover more in How Does a Virus Spread?, part of the Understanding Viruses series.

"With The Pandora Deception, Bruns and Olson return with a captivating portrayal of modern day combat that "compares with the best of the timeless classics by Tom Clancy, Dale Brown, and Stephen Coonts." (Mark Greaney) To effectively combat the rise of global terrorism, the U.S. military must now rely on more than traditional weapons and tactics. Don Riley of the U.S. Cyber Command is given charge of a brand new effort: a new team in the CIA Operations...

"In this electrifying new medical thriller from New York Times bestseller Robin Cook, a family's exposure to a rare yet deadly virus puts them at the center of a terrifying danger to mankind--and pulls back the curtain on a healthcare system powered by greed and corruption"-- Provided by publisher.

"In the wake of a highly contagious virus, California is under quarantine. Sequestered in high rise towers, the living can't go out, but the dead can come in--and they come in all forms, from sad rolling cans to manufactured bodies that can pass for human. Wealthy participants in the 'companionship' program choose to upload their consciousness before dying, so they can stay in the custody of their families. The less fortunate are rented out to strangers...

An Adrenaline-Laced Epic Where Dreams and Reality Collide. Fleeing assailants through deserted alleyways, Thomas Hunter narrowly escapes to the roof of a building. Then a silent bullet from the night clips his head . . . and his world goes black. From the blackness comes an amazing reality of another world where evil is contained. A world where Thomas Hunter is in love with a beautiful woman. But then he remembers the dream of being chased through...

After being brutally forced to fall under Negan's will, Rick now understands Negan can't be reasoned with, and any day could be the survivors' last. The communities join forces in the last stand against the Saviors as all-out war unfolds.

"#1 New York Times bestselling author Christine Feehan takes readers into the hot zone in this pulse-pounding GhostWalker novel. On a rescue mission in the heart of the Indonesian jungle, Dr. Draden Freeman and his GhostWalker team need to extract the wounded as quickly as possible--or risk spreading a deadly virus unleashed by a terrorist cell. When Draden gets infected he forces his team to leave him behind. He won't risk exposing anyone else. He...

Los cambios tecnológicos del último siglo han generado un nuevo y disruptivo dominio —el ciberespacio—, el cual no solo está modificando la vida a nivel individual de las personas, sino también a nivel macro. Por ello, hoy los organismos responsables de la defensa en distintas partes del mundo, han debido rearticular sus procedimientos y prioridades, al tener que asumir, además de la protección de los dominios tradicionales de tierra, mar...

Dive into the captivating world of hacking with "Hacking." This comprehensive guide takes you through the intricacies of cybersecurity, from understanding the basics to mastering advanced techniques. Perfect for beginners and seasoned professionals alike, this book provides the tools and knowledge needed to navigate the digital landscape safely and effectively. In "Hacking," you'll discover how to:Grasp the fundamental concepts of hacking and cybersecurityDifferentiate...