initial commit - cross reference with 5th port - obviously has compile errors

code/datums/diseases/flu.dm

@@ -0,0 +1,54 @@
+/datum/disease/flu
+	name = "The Flu"
+	max_stages = 3
+	spread_text = "Airborne"
+	cure_text = "Spaceacillin"
+	cures = list("spaceacillin")
+	cure_chance = 10
+	agent = "H13N1 flu virion"
+	viable_mobtypes = list(/mob/living/carbon/human,/mob/living/carbon/monkey)
+	permeability_mod = 0.75
+	desc = "If left untreated the subject will feel quite unwell."
+	severity = MEDIUM
+
+/datum/disease/flu/stage_act()
+	..()
+	switch(stage)
+		if(2)
+			if(affected_mob.lying && prob(20))
+				affected_mob << "<span class='notice'>You feel better.</span>"
+				stage--
+				return
+			if(prob(1))
+				affected_mob.emote("sneeze")
+			if(prob(1))
+				affected_mob.emote("cough")
+			if(prob(1))
+				affected_mob << "<span class='danger'>Your muscles ache.</span>"
+				if(prob(20))
+					affected_mob.take_organ_damage(1)
+			if(prob(1))
+				affected_mob << "<span class='danger'>Your stomach hurts.</span>"
+				if(prob(20))
+					affected_mob.adjustToxLoss(1)
+					affected_mob.updatehealth()
+
+		if(3)
+			if(affected_mob.lying && prob(15))
+				affected_mob << "<span class='notice'>You feel better.</span>"
+				stage--
+				return
+			if(prob(1))
+				affected_mob.emote("sneeze")
+			if(prob(1))
+				affected_mob.emote("cough")
+			if(prob(1))
+				affected_mob << "<span class='danger'>Your muscles ache.</span>"
+				if(prob(20))
+					affected_mob.take_organ_damage(1)
+			if(prob(1))
+				affected_mob << "<span class='danger'>Your stomach hurts.</span>"
+				if(prob(20))
+					affected_mob.adjustToxLoss(1)
+					affected_mob.updatehealth()
+	return