diff --git a/src/domain/usecases/MapDiseaseOutbreakToAlertsUseCase.ts b/src/domain/usecases/MapDiseaseOutbreakToAlertsUseCase.ts
index aa48ba20..ab34c1d5 100644
--- a/src/domain/usecases/MapDiseaseOutbreakToAlertsUseCase.ts
+++ b/src/domain/usecases/MapDiseaseOutbreakToAlertsUseCase.ts
@@ -10,6 +10,11 @@ import {
     RTSL_ZEBRA_ALERTS_EVENT_TYPE_TEA_ID,
 } from "../../data/repositories/consts/DiseaseOutbreakConstants";
 
+type DiseaseOutbreakEventData = Pick<
+    DiseaseOutbreakEventBaseAttrs,
+    "dataSourceCode" | "hazardType" | "incidentStatus" | "suspectedDiseaseCode"
+>;
+
 const incidentDataSourceCode = "IBS";
 
 export class MapDiseaseOutbreakToAlertsUseCase {
@@ -17,7 +22,7 @@ export class MapDiseaseOutbreakToAlertsUseCase {
 
     public execute(
         diseaseOutbreakEventId: Id,
-        diseaseOutbreakEventData: DiseaseOutbreakEventBaseAttrs
+        diseaseOutbreakEventData: DiseaseOutbreakEventData
     ): FutureData<void> {
         const { dataSourceCode, hazardType, suspectedDiseaseCode } = diseaseOutbreakEventData;
         const hazardTypeCode = hazardTypeCodeMap[hazardType];
diff --git a/src/domain/usecases/__tests__/MapDiseaseOutbreakToAlertsUseCase.spec.ts b/src/domain/usecases/__tests__/MapDiseaseOutbreakToAlertsUseCase.spec.ts
new file mode 100644
index 00000000..6e02c0ea
--- /dev/null
+++ b/src/domain/usecases/__tests__/MapDiseaseOutbreakToAlertsUseCase.spec.ts
@@ -0,0 +1,35 @@
+import { getTestCompositionRoot } from "../../../CompositionRoot";
+
+describe("MapDiseaseOutbreakToAlertsUseCase", () => {
+    it("does not map disease outbreak to alerts if there is no event id", async () => {
+        const compositionRoot = getTestCompositionRoot();
+
+        compositionRoot.diseaseOutbreakEvent.mapDiseaseOutbreakEventToAlerts
+            .execute("", {
+                dataSourceCode: "EBS",
+                hazardType: "Biological:Human",
+                suspectedDiseaseCode: "",
+                incidentStatus: "Watch",
+            })
+            .run(
+                () => fail("Should not reach here"),
+                error => expect(error.message).toBe("Disease Outbreak Event Id is required")
+            );
+    });
+
+    it("maps disease outbreak to alerts", async () => {
+        const compositionRoot = getTestCompositionRoot();
+
+        compositionRoot.diseaseOutbreakEvent.mapDiseaseOutbreakEventToAlerts
+            .execute("123", {
+                dataSourceCode: "EBS",
+                hazardType: "Biological:Human",
+                suspectedDiseaseCode: "",
+                incidentStatus: "Watch",
+            })
+            .run(
+                data => expect(data).toBeUndefined(),
+                () => fail("Should not reach here")
+            );
+    });
+});