Understanding Viruses: The Science Behind Human Infections

The video explains viruses, tiny particles that are neither dead nor alive, which use living cells to reproduce. It highlights their small size, making them hard to study, and their impact on human health, causing diseases like measles and HIV. Fortunately, vaccines have been developed to protect against many dangerous viruses.

What are viruses and how do they reproduce?

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Why are viruses considered neither dead nor living?

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How many viruses can fit in a single drop of blood?

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What are some examples of viruses that can affect human beings?

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What measures have scientists developed to protect against dangerous viruses?

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