Why cant medicines which deactivate the RNA strand of the virus be prescribed to the affected person?
Asked by hridhyavijay | 29th Nov, 2018, 09:51: PM
- Viruses reproduce through a host cell, which they do by attaching their surface proteins to the cell's membrane and injecting their genetic material, DNA or RNA into the cell.
- The new viruses then leave the cell and spread to other parts of the host organism.
- The human immune system develops memory from these viral encounters and develops strategies to prevent reinfection.
- And so, the next time the same virus comes to a host cell, it may find that it is no longer able to attach to the cell's surface membrane.
- So to survive, viruses adapt or evolve, changing its surface proteins enough to trick the host cell into allowing it to attach.
- It is this ability of viruses to mutate because of which a single antiviral medicine which deactivates the RNA strand of the virus is not found to be effective to eradicate the viral infection.
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