respiratory syncytial virus

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Diagram showing a microscope with a magnified view of a large, rod-shaped bacterium next to a much smaller, round virus particle.

respiratory syncytial virus: Media

infectious agent

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Diagram showing a microscope with a magnified view of a large, rod-shaped bacterium next to a much smaller, round virus particle.

What's the Difference Between Bacteria and Viruses?

Knowing the difference isn't just a technical distinction—it can save lives.

Video: Encyclopædia Britannica, Inc.

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