[ad_1] The virus is a microscopic parasite (very small) that infects cells of biological organisms. The status of viruses as a living creature is often disputed by scientists. Viruses have a genetic …
Read More »[ad_1] The virus is a microscopic parasite (very small) that infects cells of biological organisms. The status of viruses as a living creature is often disputed by scientists. Viruses have a genetic …
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