A virus that is big enough to be seen under an ordinary light microscope co-opts its host’s systems with the help of ...

For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a ...

Viruses have no metabolism of their own and must therefore infect host cells in order to replicate. Contact between the virus and the cell surface is a crucial first step, which can also prevent ...

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 ...