Links to 5 powerpoint presentations providing an introduction to bacteria and other microorganisms, their uses and their role in causing infectious diseases; a history of fighting disease; chemicals that kill bacteria; penicillin and medicines for the future.

Clear information about good and bad microbes to read. Quiz available

An interactive activity showing some of the places micro-organisms can be found. Highlights that some are useful and others are harmful. Includes a quiz.

Site provided by University of Manchester with written information and animations.

Pupils playing in normal mode can learn about antibodies and can then try the expert level.