What feature of the viral life cycle makes it difficult to produce effective antiviral drugs?

by Sue C.
(PA - US)

I've been researching this for sometime, I'm not sure where else to look, I've googled, read textbook, but nothing makes sense. Thank you.

Note: Isn't it related to mutation rates? Search our site for virus, mutation and vaccines.

Answers for What feature of the viral life cycle makes it difficult to produce effective antiviral drugs?

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Antiviral drugs
by: Umer Parvez

There is -in some cases- no antiviral drugs for the viral life cycle because of the two reasons:

1.The virus mutate themselves.
2.They enter into the nucleus of the cell and the antibiotics do not enter into the nucleus.

Virus
by: Anonymous

I think that it occurs when there new strains of viruses are evolved.If scientist found an antiviral that can destroy a particular virus;some of them that cannot be destroyed by the antiviral(most resistant one)may produce new strains that are capable of surviving. Apart from this,virus also has capsid and envelope which act as virulent factor.Envelope is made up of cell membrane of host cell that the virus come from.This is one of the factor that prevent the virus from attacking from WBC.

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