Free online biology teaching resource

Body Castle Defense: Infectious Disease Classroom (Draft V10)

Observe four independent infection cases and their disease-causing microbes side by side, then make choices in a continuous school story about infection sources, transmission and susceptible people. Includes automatic or stepwise animation, five-case exploration and six questions. New story text is in Simplified Chinese.

杨七七（网站管理员）

Choose English or Traditional Chinese using the activity’s language controls.

Draft public preview.