@Franco, I believe that I have read of
one healthcare worker using it every 45 days, which maybe doesn't give complete coverage for maybe a 15 day window, but that plan seems reasonable to me.

When I finally pull the trigger, that's my general plan.....
Basically mostly covered with a rest for my liver.

Would you believe that my liver is a bit taxed? Yeah, me either, but it apparently is so say my labs. It's crazy.

I am in the healthcare field, and known exposure multiple times, no symptoms.

But at the FIRST sign things go wiggy.....I mean, I ALMOST channeled Sarah Jessica Parker last weekend after a known case of exposure and some asthma/bronchitis. Were it not for elevated liver enzymes, I most definitely would have taken it.
Unfortunately I am playing the long game and my potential for exposure isn't going to drop.
But I am waiting until I become slightly symptomatic, and then plan on staying on it I guess.

Planning and hedging my bets the very best I can.

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'Keep pushing fuckers, you'll find the trip wire eventually'
~ Quik49

"Every step is a finish line"