You tried going to https://ahva.ubc.ca/correqu.cfm?rem=2572&u=can-you-buy-zovirax-tablets-over-the-counter-uk, and it doesn't exist. All is not lost! You can search for what you're looking for.
https://ahva.ubc.ca/correqu.cfm?rem=2572&u=can-you-buy-zovirax-tablets-over-the-counter-uk