bluh

code/controllers/Processes/disease.dm

@@ -8,5 +8,8 @@ var/global/list/active_diseases = list()
 
 /datum/controller/process/disease/doWork()
 	for(var/d in active_diseases)
-		d:process()
-		scheck()
+		if(d)
+			d:process()
+			scheck()
+			continue
+		active_diseases -= d

code/datums/disease.dm

@@ -193,7 +193,12 @@ var/list/diseases = typesof(/datum/disease) - /datum/disease
 	del(src)	//delete the datum to stop it processing
 	return
 
-
+/datum/disease/Del()
+	active_diseases -= src
+	if(affected_mob)
+		affected_mob.viruses -= src
+	..()
+	
 /datum/disease/New(var/process=1, var/datum/disease/D)//process = 1 - adding the object to global list. List is processed by master controller.
 	cure_list = list(cure_id) // to add more cures, add more vars to this list in the actual disease's New()
 	if(process)				 // Viruses in list are considered active.