diff --git a/isacc_messaging/models/isacc_communication.py b/isacc_messaging/models/isacc_communication.py
index 13a99c07..b08e27ab 100644
--- a/isacc_messaging/models/isacc_communication.py
+++ b/isacc_messaging/models/isacc_communication.py
@@ -39,12 +39,15 @@ def change_status(self, status):
     def about_patient(patient):
         """Query for "outside" Communications about the patient
 
+        This includes the dummy Communications added when staff resolve
+        a message without a response (category:isacc-message-resolved-no-send)
+
         NB: only `sent` or `received` will have a valueDateTime depending on
         direction of outside communication.  `sent` implies communication from
         practitioner, `received` implies communication from patient.
         """
         return HAPI_request("GET", "Communication", params={
-            "category": "isacc-non-sms-message",
+            "category": "isacc-non-sms-message,isacc-message-resolved-no-send",
             "subject": f"Patient/{patient.id}",
             "_sort": "-sent",
         })
diff --git a/isacc_messaging/models/isacc_patient.py b/isacc_messaging/models/isacc_patient.py
index 88c3bc59..02f06795 100644
--- a/isacc_messaging/models/isacc_patient.py
+++ b/isacc_messaging/models/isacc_patient.py
@@ -235,7 +235,7 @@ def mark_followup_extension(self, persist_on_change=True):
         for c in next_in_bundle(Communication.for_patient(self, category="isacc-manually-sent-message")):
             most_recent_followup = FHIRDate(c["sent"])
             break
-        # also possible a followup was recorded as `outside communication`
+        # also possible a followup was recorded as `outside communication` or resolved
         for c in next_in_bundle(Communication.about_patient(self)):
             # only consider outside communications reported to have been `sent`
             if "sent" in c: