immunity

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.

Join the class as they travel Ralphie's bloodstream to find out how germs make him sick and how his body can make him well again.

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.

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.

Examines the cultural myths surrounding vaccination.

On another special field trip on the magic school bus, Ms. Frizzle's class learns about germs and how the body fights them.