diff --git a/code/modules/events/event_container.dm b/code/modules/events/event_container.dm
index 86d2609c17e..02debcb61d3 100644
--- a/code/modules/events/event_container.dm
+++ b/code/modules/events/event_container.dm
@@ -128,7 +128,6 @@ var/global/list/severity_to_string = list(EVENT_LEVEL_MUNDANE = "Mundane", EVENT
 	available_events = list(
 		// Severity level, event name, even type, base weight, role weights, one shot, min weight, max weight. Last two only used if set and non-zero
 		new /datum/event_meta(EVENT_LEVEL_MUNDANE, "Nothing",					/datum/event/nothing,				120),
-		new /datum/event_meta(EVENT_LEVEL_MODERATE, "Appendicitis", 			/datum/event/spontaneous_appendicitis, 		0,		list(ASSIGNMENT_MEDICAL = 25)),
 		new /datum/event_meta(EVENT_LEVEL_MUNDANE, "APC Damage",				/datum/event/apc_damage,			20, 	list(ASSIGNMENT_ENGINEER = 15)),
 		new /datum/event_meta(EVENT_LEVEL_MUNDANE, "Brand Intelligence",		/datum/event/brand_intelligence,	15, 	list(ASSIGNMENT_JANITOR = 20),	1),
 		new /datum/event_meta(EVENT_LEVEL_MUNDANE, "Camera Damage",				/datum/event/camera_damage,			20, 	list(ASSIGNMENT_ENGINEER = 10)),
@@ -166,7 +165,8 @@ var/global/list/severity_to_string = list(EVENT_LEVEL_MUNDANE = "Mundane", EVENT
 		new /datum/event_meta(EVENT_LEVEL_MODERATE, "Random Antagonist",				/datum/event/random_antag,		 			0,		list(ASSIGNMENT_ANY = 1, ASSIGNMENT_SECURITY = 1),0,10,125, list("Extended")),
 		new /datum/event_meta(EVENT_LEVEL_MODERATE, "Rogue Drones",						/datum/event/rogue_drone, 					50,		list(ASSIGNMENT_SECURITY = 25)),
 		new /datum/event_meta(EVENT_LEVEL_MODERATE, "Moderate Spider Infestation",		/datum/event/spider_infestation/moderate,	50,		list(ASSIGNMENT_SECURITY = 25)),
-		new /datum/event_meta(EVENT_LEVEL_MODERATE, "Moderate Vermin Infestation",		/datum/event/infestation/moderate, 			30,		list(ASSIGNMENT_JANITOR = 15, ASSIGNMENT_SECURITY = 15, ASSIGNMENT_MEDICAL = 15))
+		new /datum/event_meta(EVENT_LEVEL_MODERATE, "Moderate Vermin Infestation",		/datum/event/infestation/moderate, 			30,		list(ASSIGNMENT_JANITOR = 15, ASSIGNMENT_SECURITY = 15, ASSIGNMENT_MEDICAL = 15)),
+		new /datum/event_meta(EVENT_LEVEL_MODERATE, "Appendicitis", 						/datum/event/spontaneous_appendicitis, 		0,		list(ASSIGNMENT_MEDICAL = 5))
 	)
 
 /datum/event_container/major
@@ -190,4 +190,4 @@ var/global/list/severity_to_string = list(EVENT_LEVEL_MUNDANE = "Mundane", EVENT
 #undef ASSIGNMENT_JANITOR
 #undef ASSIGNMENT_MEDICAL
 #undef ASSIGNMENT_SCIENTIST
-#undef ASSIGNMENT_SECURITY
\ No newline at end of file
+#undef ASSIGNMENT_SECURITY
diff --git a/html/changelogs/alberyk-apprendicitisnerf.yml b/html/changelogs/alberyk-apprendicitisnerf.yml
new file mode 100644
index 00000000000..aa88ef1a11b
--- /dev/null
+++ b/html/changelogs/alberyk-apprendicitisnerf.yml
@@ -0,0 +1,6 @@
+author: Alberyk
+
+delete-after: True
+
+changes: 
+  - tweak: "Spontaneous appendicitis should be rarer now."
diff --git a/tools/Event Probabilities/Event Probabilities.xlsx b/tools/Event Probabilities/Event Probabilities.xlsx
index 1144f0ae229..1b137ead77c 100644
Binary files a/tools/Event Probabilities/Event Probabilities.xlsx and b/tools/Event Probabilities/Event Probabilities.xlsx differ