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PRERNA FOR IAS
HOW VIRUSES REALLY INFECT CELLS
1. Viral Attachment
Viral attachment is the first step in the infection process. During this stage, viral surface proteins bind to specific receptors present on the host cell membrane. This interaction is highly selective and determines which organisms, tissues, or cells the virus can infect, a property known as host range and cell tropism. For example, SARS-CoV-2 uses the ACE2
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Learn how viruses infect cells through attachment, entry, replication, and release. Understand viral attachment, genome replication, and infection mechanisms for general knowledge.
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