diff --git a/bifrost/bifrost_queue_broker/common/database.py b/bifrost/bifrost_queue_broker/common/database.py
index d3c9e525..d2d5d4fe 100644
--- a/bifrost/bifrost_queue_broker/common/database.py
+++ b/bifrost/bifrost_queue_broker/common/database.py
@@ -135,20 +135,22 @@ def get_collection(collection: str):
 
 def recursive_replace(data, replacement_fn, filter_list=None, filtered_parent=False):
     # If no filter_list is provided, then assume all leaf nodes in tree must be replaced
-    do_filter = not filter_list or filtered_parent
+    do_filter = not filter_list or filtered_parent    
     if isinstance(data, (dict, list)):
         for k, v in data.items() if isinstance(data, dict) else enumerate(data):
             # If a key in the filter_list is seen at any node in the tree, leaf values
             # underneath that node must be replaced
             if k in filter_list:
                 do_filter = True
-            if (not (isinstance(v, (dict, list)))) and do_filter:
-                try:
+            else:
+                do_filter = False   
+            if  (not (isinstance(v, (dict, list)))) and do_filter:
+                try:                      
                     replacement_text = replacement_fn(v)
                     data[k] = replacement_text
                 except:
                     pass
-            else:
+            else:                    
                 data[k] = recursive_replace(v, replacement_fn, filter_list, do_filter)
     return data
 
@@ -170,6 +172,8 @@ def encrypt_dict(encryption_client: ClientEncryption, val, filter_list=None):
 def coerce_date(dayfirst):
     def parse_value(v):
         try:
+            if isinstance(v, datetime.datetime):
+                return v.isoformat()
             return parser.parse(v, dayfirst=dayfirst).isoformat() if v else None
         except:
             return None
diff --git a/microreact/microreact-server b/microreact/microreact-server
index 916bcf21..e9b839da 160000
--- a/microreact/microreact-server
+++ b/microreact/microreact-server
@@ -1 +1 @@
-Subproject commit 916bcf21841760e38409077115844430101e95b9
+Subproject commit e9b839dacb78859ffbcf07894229cb908313b717
diff --git a/test/requirements.txt b/test/requirements.txt
new file mode 100644
index 00000000..8a0e60bc
--- /dev/null
+++ b/test/requirements.txt
@@ -0,0 +1 @@
+python-dateutil==2.8.1
\ No newline at end of file
diff --git a/test/test.py b/test/test.py
new file mode 100644
index 00000000..8b4fe044
--- /dev/null
+++ b/test/test.py
@@ -0,0 +1,60 @@
+import os, sys
+import datetime
+from dateutil import parser
+
+def recursive_replace(data, replacement_fn, filter_list=None, filtered_parent=False):
+    # If no filter_list is provided, then assume all leaf nodes in tree must be replaced
+    do_filter = not filter_list or filtered_parent    
+    if isinstance(data, (dict, list)):
+        for k, v in data.items() if isinstance(data, dict) else enumerate(data):
+            # If a key in the filter_list is seen at any node in the tree, leaf values
+            # underneath that node must be replaced
+            if k in filter_list:
+                do_filter = True
+            else:
+                do_filter = False   
+            if  (not (isinstance(v, (dict, list)))) and do_filter:
+                try:                      
+                    replacement_text = replacement_fn(v)
+                    data[k] = replacement_text
+                except:
+                    pass
+            else:                    
+                data[k] = recursive_replace(v, replacement_fn, filter_list, do_filter)
+    return data
+
+def coerce_date(dayfirst):
+    def parse_value(v):
+        try:
+            if isinstance(v, datetime.datetime):
+                return v.isoformat()                    
+            return parser.parse(v, dayfirst=dayfirst).isoformat() if v else None
+        except:
+            return None
+    return parse_value
+
+def coerce_dates(val, dayfirst=None):
+    filter_list = list(filter(lambda k: k.startswith("date_"), val.keys()))
+    print (filter_list)
+    return recursive_replace(
+        val,
+        coerce_date(dayfirst),
+        filter_list,
+    )
+
+data = {
+    'date_sample': datetime.datetime(2024, 5, 19, 2, 56),
+    'date_received': '2024-02-19',
+    'cpr_nr': '2301232629',
+    'name': 'KNUDSEN, ROSA',
+    'primary_isolate': False,
+    'date_received_kma': None,
+    'kma': None,
+    'gender': 'K',
+    'age': 1,
+    'travel': 'Nej',
+    'travel_country': None,
+    'region': 'MIDTJYLLAND'
+}
+
+print(coerce_dates(data))
\ No newline at end of file
diff --git a/web/microreact_integration b/web/microreact_integration
index 9319e7dc..360d2ca5 160000
--- a/web/microreact_integration
+++ b/web/microreact_integration
@@ -1 +1 @@
-Subproject commit 9319e7dc9d7d84e86ceb1698c8aeac12a2d027f3
+Subproject commit 360d2ca506f187ee1f586fa13dc7aa4f033ae637