cant_touch_this_achievement_effect

cant_touch_this_achievement_effect = {
	if = {
		limit = {
			county.holder = {
				OR = {
					this = { is_ai = no }
					any_liege_or_above = { is_ai = no }
				}
			}
			epidemic_resistance >= 100
		}
		county.holder = {
			add_achievement_global_variable_effect = {
				VARIABLE = ce1_cant_touch_this_achievement_unlocked
				VALUE = yes
			}
		}
	}
}

As written in game/common/scripted_effects/06_dlc_ce1_epidemics_effects.txt.