Viruses: What They Are And How They Work (1988)

The film discusses the nature of viruses, including their structure, reproduction, and the diseases they cause. It explains how viruses are incredibly small and require a host cell to survive and replicate. The documentary highlights the life cycle of a specific virus, Fage, and outlines the impact of viral infections on plants and animals, including humans. It emphasizes the importance of vaccines in combating viral diseases, particularly focusing on the development of the polio vaccine. The film also addresses the challenges posed by rapidly mutating viruses, such as HIV, and the ongoing efforts in medical research to control viral infections.

Keywords
viruses, structure, reproduction, diseases, host cell, Fage, vaccines, polio, HIV, medical research

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