Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Typical inactivation-reactivation curve as a function of time, where No is the concentration of microorganisms before disinfection, Nd is that after disinfection but before reactivation, and Nr is that at time t after the beginning of the reactivation phase. Nm is the maximum concentration of microorganisms reached by reactivation.
