diff --git a/code/datums/diseases/advance/symptoms/choking.dm b/code/datums/diseases/advance/symptoms/choking.dm
index 6946a6a1d8..f127023e8a 100644
--- a/code/datums/diseases/advance/symptoms/choking.dm
+++ b/code/datums/diseases/advance/symptoms/choking.dm
@@ -22,7 +22,7 @@ Bonus
 	stealth = -3
 	resistance = -2
 	stage_speed = -2
-	transmittable = -4
+	transmittable = -2
 	level = 3
 	severity = 3
 	base_message_chance = 15
diff --git a/code/datums/diseases/advance/symptoms/fire.dm b/code/datums/diseases/advance/symptoms/fire.dm
index 6429db9439..7ad030594d 100644
--- a/code/datums/diseases/advance/symptoms/fire.dm
+++ b/code/datums/diseases/advance/symptoms/fire.dm
@@ -19,9 +19,9 @@ Bonus
 
 	name = "Spontaneous Combustion"
 	desc = "The virus turns fat into an extremely flammable compound, and raises the body's temperature, making the host burst into flames spontaneously."
-	stealth = 1
+	stealth = -1
 	resistance = -4
-	stage_speed = -4
+	stage_speed = -3
 	transmittable = -4
 	level = 6
 	severity = 5
diff --git a/code/datums/diseases/advance/symptoms/flesh_eating.dm b/code/datums/diseases/advance/symptoms/flesh_eating.dm
index 48668afc90..5ed50b998f 100644
--- a/code/datums/diseases/advance/symptoms/flesh_eating.dm
+++ b/code/datums/diseases/advance/symptoms/flesh_eating.dm
@@ -22,7 +22,7 @@ Bonus
 	stealth = -3
 	resistance = -4
 	stage_speed = 0
-	transmittable = -4
+	transmittable = -3
 	level = 6
 	severity = 5
 	base_message_chance = 50
diff --git a/code/datums/diseases/advance/symptoms/hallucigen.dm b/code/datums/diseases/advance/symptoms/hallucigen.dm
index 873d960524..62f88cda54 100644
--- a/code/datums/diseases/advance/symptoms/hallucigen.dm
+++ b/code/datums/diseases/advance/symptoms/hallucigen.dm
@@ -18,7 +18,7 @@ Bonus
 /datum/symptom/hallucigen
 	name = "Hallucigen"
 	desc = "The virus stimulates the brain, causing occasional hallucinations."
-	stealth = -2
+	stealth = -1
 	resistance = -3
 	stage_speed = -3
 	transmittable = -1
diff --git a/code/datums/diseases/advance/symptoms/narcolepsy.dm b/code/datums/diseases/advance/symptoms/narcolepsy.dm
index 24ba024aa6..839a184609 100644
--- a/code/datums/diseases/advance/symptoms/narcolepsy.dm
+++ b/code/datums/diseases/advance/symptoms/narcolepsy.dm
@@ -18,7 +18,7 @@ Bonus
 	stealth = -1
 	resistance = -2
 	stage_speed = -3
-	transmittable = -4
+	transmittable = 0
 	level = 6
 	symptom_delay_min = 15
 	symptom_delay_max = 80
diff --git a/code/datums/diseases/advance/symptoms/shivering.dm b/code/datums/diseases/advance/symptoms/shivering.dm
index 741e2a1e16..de51d9e2a2 100644
--- a/code/datums/diseases/advance/symptoms/shivering.dm
+++ b/code/datums/diseases/advance/symptoms/shivering.dm
@@ -20,7 +20,7 @@ Bonus
 	desc = "The virus inhibits the body's thermoregulation, cooling the body down."
 	stealth = 0
 	resistance = 2
-	stage_speed = 2
+	stage_speed = 3
 	transmittable = 2
 	level = 2
 	severity = 2
diff --git a/code/datums/diseases/advance/symptoms/viral.dm b/code/datums/diseases/advance/symptoms/viral.dm
index 55807aed6b..28ac491fcd 100644
--- a/code/datums/diseases/advance/symptoms/viral.dm
+++ b/code/datums/diseases/advance/symptoms/viral.dm
@@ -26,7 +26,7 @@ BONUS
 //////////////////////////////////////
 Viral evolution
 
-	Moderate stealth reductopn.
+	Moderate stealth reduction.
 	Major decreases to resistance.
 	increases stage speed.
 	increase to transmission
diff --git a/code/datums/diseases/advance/symptoms/vomit.dm b/code/datums/diseases/advance/symptoms/vomit.dm
index f53638bc12..905a9827d5 100644
--- a/code/datums/diseases/advance/symptoms/vomit.dm
+++ b/code/datums/diseases/advance/symptoms/vomit.dm
@@ -25,8 +25,8 @@ Bonus
 	desc = "The virus causes nausea and irritates the stomach, causing occasional vomit."
 	stealth = -2
 	resistance = -1
-	stage_speed = 0
-	transmittable = 1
+	stage_speed = -1
+	transmittable = 2
 	level = 3
 	severity = 3
 	base_message_chance = 100