• Kids and Teens: School Time: Science: Living Things: Animals: Mammals: Humans: Immune System  (6)
• Kids and Teens: School Time: Science: Living Things: Bacteria and Viruses  (11)

• How SARS Works [ Teens/Mature Teens ] - From How Stuff Works, a brief introduction to this condition, including statistics and basic biology.
  
  
• SARS: Deadly Virus Q&A [ Kids ] - People are scared about this new disease, but the BBC News tells us why most of us don't need to worry. (April 1, 2003)

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