In Black River Falls the non infected people could be around the infected people but if they were too close to them they could get it. So they used gas mask to be close to the infected people. It was an air born illness so that why they used gas mask.
The Forsaken Armour (but with more skull and bones painted in fluorescent paint and/or white paint) (inner city FRAGS - "fragment gangs" they are like cockroaches because they are everywhere in the concrete jungles.
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