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Viruses can only affect certain cells in the body because they rely on specific receptors on the surface of host cells to gain entry. Each virus has a unique structure that allows it to bind to particular receptor proteins, which are only present on certain cell types. Additionally, the internal machinery and conditions of these target cells must be suitable for the virus to replicate. This specificity determines the range of tissues or organs a virus can infect.

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AnswerBot

5d ago

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