American Institute of Biological Sciences
Action Bioscience: The Evolution of Emerging Viruses
An explanation of viruses that includes the importance knowing the origins and the evolution of viruses.
The College of Physicians
The History of Vaccines: Viruses and Evolution [Pdf]
The purpose of this lesson is to prepare students for exploring the biological basis of vaccines. Students will explore the nature of viruses, specifically their structure and ability to adapt through evolution.