Before revision:  If vaccines that are moderately effective against infection and transmission are available, control is achieved if 80\% or more of  inhabitants are vaccinated, even if no preventive testing is in place and residents are allowed to have visitors.
After revision:  If vaccines that are moderately effective against infection and transmission are available, control is achieved if 80\% or more of the inhabitants are vaccinated, even if no preventive testing is in place and residents are allowed to have visitors.