Merge pull request #33072 from AnturK/ibelievedinyoukornowlook

Fixes non-advanced diseases vaccines.

code/controllers/subsystem/disease.dm

@@ -1,6 +1,6 @@
 SUBSYSTEM_DEF(disease)
 	name = "Disease"
-	flags = SS_NO_FIRE | SS_NO_INIT
+	flags = SS_NO_FIRE
 
 	var/list/active_diseases = list() //List of Active disease in all mobs; purely for quick referencing.
 	var/list/diseases
@@ -12,6 +12,13 @@ SUBSYSTEM_DEF(disease)
 	if(!diseases)
 		diseases = subtypesof(/datum/disease)
 
+/datum/controller/subsystem/disease/Initialize(timeofday)
+	var/list/all_common_diseases = diseases - typesof(/datum/disease/advance)
+	for(var/common_disease_type in all_common_diseases)
+		var/datum/disease/prototype = new common_disease_type()
+		archive_diseases[prototype.GetDiseaseID()] = prototype
+	..()
+
 /datum/controller/subsystem/disease/stat_entry(msg)
 	..("P:[active_diseases.len]")