Khan Academy Static

Viruses can cause sickness and disease, however they are not living entities. If they are not alive, then what are they? In this section, you will learn about the different types of viruses and how they survive, replicate, and spread inside a host organism.

14925_Virus_structure_and_classification.html

14926_Viral_replication_lytic_vs_lysogenic.html

14928_Subviral_particles_viroids_and_prions.html

14927_Retroviruses.html