Okay, this may seem like a joke, but you can actually try this treatment with stuff you may already have at home. Quinine may be as effective as Chloroquine at letting zinc into cells.

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Quinine and its derivatives are acting on a variety of ion channels
from Quinine and it's Derivatives

Do you have tonic water, AKA quinine water at home? Do you have some of those zinc lozenges that are supposed to help fight colds? I do, so I am drinking tonic water and sucking on a zinc lozenge as I type. You could even make some gin and tonics to help with the boredom of isolation!