people please how easy it is to get infected from dried blood?i hawe found virus can live up to 7 days in dried drop of blood.we were in hotel and 2 hours after arrival i found blood on blanket and towels - like if the cleaning lady had little cut on finger. small red spots,only few but certainly blood.our little son has abrasions everywhere like every kid and did use the towels he keeps touching his eyes etc i am afraid..thanks a lot!