RE: Zombie Survival Horror Group or 1on1 search!
Ah yes, reality. Such a harsh and cruel mistress, wishing for us to give her all of our attention instead of some of it!
Anyway, Eastern Europe is good, exactly what I was thinking. Though for both Bandits and Survivors, I would hope to add "Mercenaries" to those lists, since they do operate out there and Eastern Europe isn't the most law-filled place in the world anyway (and what law is there is more than likely corrupt). A haven for criminals, terrorists, and freedom seekers alike. Though this is both for an excuse to use a mercenary for my character and to have a weapon(s) of choice.
Also, winter's a good idea. Though I'd put for the motion for early fall, since it's that perfect time where things are getting colder and colder as winter approaches, but clothing doesn't have to be as heavy in order to survive.
Plus, food sources. As tasty as other people are, I'd prefer to keep my cookbook for longpig hidden for as long as possible, thanks, heh.
Wait, animals would be infected too? That'd... be very strange. Especially since any biological weapon would be targeted more towards humans than anything else, in order to keep as much of the environment intact as possible. The infection through the water, I think, goes by the same logic: If you're to take a city through biological warfare, then rid the environment of the population, not the other way around.
Locals, though, could totally spread the virus in the sense that you're thinking. The first victims would take a while, but then again, they always do. Then they spread the disease through bites or through contact of bodily fluids (spit, blood, sweat, etc.) and tissue (skin, muscle, fat, innards, etc.). I'm thinking kids, maybe, just playing around, exploring, and then a few days later, they become sick, they die, they come back an hour later, and then infection has a faster incubation period after that.
Sorry, I've done a few Zombie RPs and stories in my day, hope it's not too much or too against your plan.