diff --git a/code/datums/diseases/advance/symptoms/fever.dm b/code/datums/diseases/advance/symptoms/fever.dm
index a9e027da9cd..6e252e56cd9 100644
--- a/code/datums/diseases/advance/symptoms/fever.dm
+++ b/code/datums/diseases/advance/symptoms/fever.dm
@@ -35,6 +35,6 @@ Bonus
 	return
 
 /datum/symptom/fever/proc/Heat(var/mob/living/M, var/datum/disease/advance/A)
-	var/get_heat = (sqrt(21+A.totalTransmittable()*2))+(sqrt(20+A.totalStageSpeed()*3))
+	var/get_heat = (sqrtor0(21+A.totalTransmittable()*2))+(sqrtor0(20+A.totalStageSpeed()*3))
 	M.bodytemperature = min(M.bodytemperature + (get_heat * A.stage), BODYTEMP_HEAT_DAMAGE_LIMIT - 1)
 	return TRUE
diff --git a/code/datums/diseases/advance/symptoms/flesh_eating.dm b/code/datums/diseases/advance/symptoms/flesh_eating.dm
index 28c9002c3a1..e91efab1c7c 100644
--- a/code/datums/diseases/advance/symptoms/flesh_eating.dm
+++ b/code/datums/diseases/advance/symptoms/flesh_eating.dm
@@ -37,6 +37,6 @@ Bonus
 	return
 
 /datum/symptom/flesh_eating/proc/Flesheat(mob/living/M, datum/disease/advance/A)
-	var/get_damage = ((sqrt(16-A.totalStealth()))*5)
+	var/get_damage = ((sqrtor0(16-A.totalStealth()))*5)
 	M.adjustBruteLoss(get_damage)
 	return 1
diff --git a/code/datums/diseases/advance/symptoms/heal.dm b/code/datums/diseases/advance/symptoms/heal.dm
index 1c219598722..f02ad95c32f 100644
--- a/code/datums/diseases/advance/symptoms/heal.dm
+++ b/code/datums/diseases/advance/symptoms/heal.dm
@@ -33,7 +33,7 @@ Bonus
 	return
 
 /datum/symptom/heal/proc/Heal(mob/living/M, datum/disease/advance/A)
-	var/get_damage = (sqrt(20+A.totalStageSpeed())*(1+rand()))
+	var/get_damage = (sqrtor0(20+A.totalStageSpeed())*(1+rand()))
 	M.adjustToxLoss(-get_damage)
 	return TRUE
 
@@ -144,7 +144,7 @@ Bonus
 	level = 5
 
 /datum/symptom/heal/dna/Heal(var/mob/living/carbon/M, var/datum/disease/advance/A)
-	var/amt_healed = (sqrt(20+A.totalStageSpeed()*(3+rand())))-(sqrt(16+A.totalStealth()*rand()))
+	var/amt_healed = (sqrtor0(20+A.totalStageSpeed()*(3+rand())))-(sqrtor0(16+A.totalStealth()*rand()))
 	M.adjustBrainLoss(-amt_healed)
 	M.radiation = max(M.radiation - 3, 0)
 	return TRUE
diff --git a/code/datums/diseases/advance/symptoms/shivering.dm b/code/datums/diseases/advance/symptoms/shivering.dm
index 375850ef40f..f4a3059d7c9 100644
--- a/code/datums/diseases/advance/symptoms/shivering.dm
+++ b/code/datums/diseases/advance/symptoms/shivering.dm
@@ -34,6 +34,6 @@ Bonus
 	return
 
 /datum/symptom/shivering/proc/Chill(mob/living/M, datum/disease/advance/A)
-	var/get_cold = (sqrt(16+A.totalStealth()*2))+(sqrt(21+A.totalResistance()*2))
+	var/get_cold = (sqrtor0(16+A.totalStealth()*2))+(sqrtor0(21+A.totalResistance()*2))
 	M.bodytemperature = max(M.bodytemperature - (get_cold * A.stage), BODYTEMP_COLD_DAMAGE_LIMIT + 1)
 	return 1
diff --git a/code/modules/reagents/reagents/virology.dm b/code/modules/reagents/reagents/virology.dm
index e2147f401d7..de6e77e3049 100644
--- a/code/modules/reagents/reagents/virology.dm
+++ b/code/modules/reagents/reagents/virology.dm
@@ -42,6 +42,7 @@
 	color = "#A69DA9"
 
 /datum/reagent/toxin/phoron/phoronvirusfood/weak
-	name = "Weakened phoronic virus food. This one seems to have been weakened, but still strong."
+	name = "Weakened phoronic virus food"
 	id = "weakphoronvirusfood"
+	description = "Mutates viruses when mixed in blood. This one seems to have been weakened, but still strong."
 	color = "#CEC3C6"