immunity

"The COVID-19 pandemic has raised important questions about how we fight germs: How do vaccines work? Can wearing a mask really stop diseases from spreading? How do diseases spread in the first place? These questions aren't new, but they're an important part of life today. And readers discover the answers to them in this . . . look at the fight against germs"--Provided by publisher.

Immunology is the study of the immune system. The immune system protects the human body from disease. Immunologists study how disease spreads. Discover more in Immunology.

A virus has spread world-wide by mosquito-like insects, and it leaves those infected homicidally violent. While survivors live in contained communities surrounded by insecticide, two teenage girls who have survived the sting without turning violent could hold the key to the cure. But both learn that some truths are even more frightening than the virus that has overtaken the world and their lives might be more entangled than they might appear.

"A viral disease called 'the wickedness' plagues the world, and sixteen-year-olds Astrid and Natalie are two of the only people immune. The girls live in separate, isolated communities, but recent encounters with wicked people link their stories in unexpected ways"--Provided by publisher.

"Rory and her father have survived the antibiotic crisis that has killed millions, including Rory's mother--but ingenuity and perseverance aren't their only advantages. When a stoic and scarred young military veteran enters their quiet life, Rory is drawn to him against her better judgment ... until he exposes the secrets her mother and father kept from her, including the fact that her own blood may hold the cure the world needs, and she is the target of groups fighting to reach it first. When the government comes after Rory, aiming to use her for a cure it can sell to the highest bidder, she's forced to flee with her father and their new protector. But can she find the new path of human evolution before the government finds her?"--Back cover.

Simple text and photographs explain how the immune system defends the body from germs every day. Experience augmented reality by downloading the free Capstone 4D app and scanning book pages for access to additional video content.

"Joy works the graveyard shift at a grocery store outside Boston and nurses an addiction to cough syrup. Then a sickness that begins with memory loss and ends with death sweeps the country, and for the first time in her life, Joy has an advantage: she is immune. This gains her admittance to a hospital in rural Kansas and a chance to escape her bleak existence. As winter descends, the hospital's fragile order breaks down and Joy breaks free, embarking on a journey to Florida to find her birth mother, the woman who abandoned her as a child."--Back cover.

London is a ruin, destroyed by German bombs, ravaged by the Horologia virus, and ruled by the ruthless Captain Hanz Otto Oswald Kretschmer, whose Marauders search for and seize the children who are immune to the virus in the hope that their blood will produce a cure--their latest victim is sixteen-year-old Gwen Darling's younger sister and Gwen will do anything to get her back, even join up with Pete and his gang of Lost Boys living in a city hidden underground.

Sam and his mother talk about germs, viruses, and bacteria, including how the body fights harmful germs and uses germs that are helpful.

Explains what germs are, traces the history of germ fighting from ancient to modern times, and discusses the use of antibiotics and other methods of eliminating disease-causing germs in the future.