[MIRROR] Disease antagonist (#5815)

* Disease antagonist

* Update mobs.dm

* can I go to sleep yet

code/modules/surgery/advanced/viral_bonding.dm

@@ -17,7 +17,7 @@
 /datum/surgery/advanced/viral_bonding/can_start(mob/user, mob/living/carbon/target)
 	if(!..())
 		return FALSE
-	if(!LAZYLEN(target.viruses))
+	if(!LAZYLEN(target.diseases))
 		return FALSE
 	return TRUE
 
@@ -38,7 +38,7 @@
 
 /datum/surgery_step/viral_bond/success(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
 	user.visible_message("[target]'s bone marrow begins pulsing slowly.", "<span class='notice'>[target]'s bone marrow begins pulsing slowly. The viral bonding is complete.</span>")
-	for(var/X in target.viruses)
+	for(var/X in target.diseases)
 		var/datum/disease/D = X
 		D.carrier = TRUE
 	return TRUE

code/modules/surgery/organs/appendix.dm

@@ -14,7 +14,7 @@
 		name = "appendix"
 
 /obj/item/organ/appendix/Remove(mob/living/carbon/M, special = 0)
-	for(var/datum/disease/appendicitis/A in M.viruses)
+	for(var/datum/disease/appendicitis/A in M.diseases)
 		A.cure()
 		inflamed = 1
 	update_icon()
@@ -23,7 +23,7 @@
 /obj/item/organ/appendix/Insert(mob/living/carbon/M, special = 0)
 	..()
 	if(inflamed)
-		M.AddDisease(new /datum/disease/appendicitis)
+		M.ForceContractDisease(new /datum/disease/appendicitis(), FALSE, TRUE)
 
 /obj/item/organ/appendix/prepare_eat()
 	var/obj/S = ..()