Fixes

code/modules/events/disease_outbreak.dm

@@ -24,7 +24,7 @@ GLOBAL_LIST_EMPTY(current_pending_diseases)
 			else
 				stack_trace("Disease Outbreak: Invalid Event Level [severity]. Expected: 1-2")
 				virus = /datum/disease/cold
-		chosen_disease = new virus()
+		chosen_disease = new virus
 	else
 		if(severity == EVENT_LEVEL_MAJOR)
 			chosen_disease = create_virus(severity * pick(2,3))	//50% chance for a major disease instead of a moderate one
@@ -37,7 +37,7 @@ GLOBAL_LIST_EMPTY(current_pending_diseases)
 	GLOB.current_pending_diseases += chosen_disease
 
 	var/list/candidates = list()
-	for(var/mob/living/carbon/human/G in player_list)
+	for(var/mob/living/carbon/human/G in human_mob_list)
 		if(G.mind && G.stat != DEAD && G.is_client_active(5) && !player_is_antag(G.mind))
 			var/area/A = get_area(G)
 			if(!A)
@@ -48,17 +48,18 @@ GLOBAL_LIST_EMPTY(current_pending_diseases)
 				continue
 			if(isbelly(G.loc))
 				continue
-			if(!G.CanContractDisease())
+			if(G.species.virus_immune)
 				continue
 			candidates += G
 
 	var/chosen_infect = rand(3, 5)
 
 	while(chosen_infect)
-		var/mob/living/carbon/human/H = pick(candidates)
-		H.ContractDisease(chosen_disease)
-		candidates -= H
-
+		if(!isemptylist(candidates))
+			var/mob/living/carbon/human/H = pick(candidates)
+			H.ForceContractDisease(chosen_disease)
+			candidates -= H
+		chosen_infect--
 
 //Creates a virus with a harmful effect, guaranteed to be spreadable by contact or airborne
 /datum/event/disease_outbreak/proc/create_virus(max_severity = 6)

code/modules/events/event_container_vr.dm

@@ -108,6 +108,7 @@
 		new /datum/event_meta(EVENT_LEVEL_MAJOR, "Blob",				/datum/event/blob, 					10,		list(ASSIGNMENT_ENGINEER = 60), 1),
 		new /datum/event_meta(EVENT_LEVEL_MAJOR, "Meteor Wave",			/datum/event/meteor_wave,			30,		list(ASSIGNMENT_ENGINEER = 15),	1),
 		new /datum/event_meta(EVENT_LEVEL_MAJOR, "Supply Demand",		/datum/event/supply_demand,			0,		list(ASSIGNMENT_ANY = 5, ASSIGNMENT_SCIENCE = 15, ASSIGNMENT_GARDENER = 10, ASSIGNMENT_ENGINEER = 10, ASSIGNMENT_MEDICAL = 15), 1),
+		new /datum/event_meta(EVENT_LEVEL_MODERATE, "Disease Outbreak",	/datum/event/disease_outbreak,		-30,	list(ASSIGNMENT_MEDICAL = 30, ASSIGNMENT_ANY = 1), 	1, min_jobs = list(ASSIGNMENT_MEDICAL = 2)),
 	))
 
 #undef ASSIGNMENT_ANY

code/modules/organs/blood.dm

@@ -296,7 +296,7 @@ var/const/CE_STABLE_THRESHOLD = 0.5
 		var/datum/disease/D = ID
 		if((D.spread_flags & SPECIAL) || (D.spread_flags & NON_CONTAGIOUS)) // You can't put non-contagius diseases in blood, but just in case
 			continue
-		ContractDisease(D)
+		ForceContractDisease(D)
 	if (injected.data["resistances"] && prob(5))
 		antibodies |= injected.data["resistances"]
 	if (injected.data["antibodies"] && prob(5))