epidemic_prevention_effect

epidemic_prevention_effect = {
	$PHYSICIAN$ = { save_scope_as = physician }
	# Apply prevention
	if = {
		limit = {
			$PREVENTION_LEVEL$ = 1
		}
		custom_tooltip = minor_epidemic_treatment.tt
		hidden_effect = {
			# OUTCOME RANDOMIZATION
			random_list = {
				70 = { # Success
					modifier = {
						factor = scope:physician.physician_safe_treatment_skill_factor
						# 1 for an average learning skill character without traits
						# 0.2 min for low learning
						# ~3 for high skill character without traits
						# ~12 for high skill character with best trait (physician_3)
					}
					trigger_event = { id = physician_epidemic_events.1021 days = { 3 14 } } #Safe prevention sucess
				}
				30 = { # Failure
					trigger_event = { id = physician_epidemic_events.1022 days = { 3 14 } } #Safe prevention failure
				}
			}
		}
	}
	if = {
		limit = {
			$PREVENTION_LEVEL$ = 2
		}
		custom_tooltip = moderate_epidemic_treatment.tt
		# OUTCOME RANDOMIZATION
		hidden_effect = {
			random_list = {
				1 = { #Success
					modifier = {
						scope:physician = {
							learning >= mediocre_skill_rating
							learning < medium_skill_rating
						}
						factor = 2
					}
					modifier = {
						scope:physician = {
							learning >= medium_skill_rating
							learning < decent_skill_rating
						}
						factor = 4
					}
					modifier = {
						scope:physician = {
							learning >= decent_skill_rating
							learning < high_skill_rating
						}
						factor = 7
					}
					modifier = {
						scope:physician = {
							learning >= high_skill_rating
						}
						factor = 10
					}
					modifier = {
						scope:physician = { has_trait = lifestyle_physician }
						factor = 2
					}
					modifier = {
						scope:physician = {
							has_trait = lifestyle_physician
							has_trait_xp = {
								trait = lifestyle_physician
								value >= 50
							}
						}
						factor = 5
					}
					modifier = {
						scope:physician = {
							has_trait = lifestyle_physician
							has_trait_xp = {
								trait = lifestyle_physician
								value >= 100
							}
						}
						factor = 5
					}
					trigger_event = { id = physician_epidemic_events.1023 days = { 3 14 } } #success
				}
				10 = { #Failure
					trigger_event = { id = physician_epidemic_events.1024 days = { 3 14 } } #Failure
				}
			}
		}
	}
	if = {
		limit = {
			$PREVENTION_LEVEL$ = 3
		}
		custom_tooltip = mystic_epidemic_treatment.tt
		# OUTCOME RANDOMIZATION
		hidden_effect = {
			random_list = {
				1 = { #Success
					modifier = {
						scope:physician = {
							learning >= mediocre_skill_rating
							learning < medium_skill_rating
						}
						factor = 2
					}
					modifier = {
						scope:physician = {
							learning >= medium_skill_rating
							learning < decent_skill_rating
						}
						factor = 4
					}
					modifier = {
						scope:physician = {

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