The document discusses different types of viruses including influenza virus, HIV, adenovirus, hepatitis B virus, polio virus, T4 bacteriophage, and adenovirus. It provides illustrations of the influenza virus, HIV, and viruses attached to an algal cell, and describes the lytic cycle of viral replication.
35. Viruses come in many shapes. Left, an illustration
of the influenza virus. Right, an illustration of
Human Immunodeficiency Virus (HIV). Courtesy of
the National Institute of Allergies and Infectious
Diseases (NIAID), National Institutes of Health.