diff --git a/docs/AdverseReactionReportsChartView.js b/docs/AdverseReactionReportsChartView.js
index 84e0a676af9..59d027ec5d8 100644
--- a/docs/AdverseReactionReportsChartView.js
+++ b/docs/AdverseReactionReportsChartView.js
@@ -32,7 +32,7 @@ class AdverseReactionReportsChartView {
             labels: [
                 'Deaths',
                 'Disabilities',
-                'Life Threatening Illnesses',
+                'Life-Threatening Illnesses',
                 'Hospitalizations',
                 'Other Adverse Events'
             ],
@@ -42,9 +42,9 @@ class AdverseReactionReportsChartView {
                 data: [
                     ADRDescr['Deaths'],
                     ADRDescr['Disabilities'],
-                    ADRDescr['Life Threatening Illnesses'],
+                    ADRDescr['Life-Threatening Illnesses'],
                     ADRDescr['Hospitalizations'],
-                    ADRDescr['Adverse Reaction Reports'] - (ADRDescr['Deaths'] + ADRDescr['Disabilities'] + ADRDescr['Life Threatening Illnesses'] + ADRDescr['Hospitalizations'])
+                    ADRDescr['Adverse Reaction Reports'] - (ADRDescr['Deaths'] + ADRDescr['Disabilities'] + ADRDescr['Life-Threatening Illnesses'] + ADRDescr['Hospitalizations'])
                 ],
                 backgroundColor: '#1a73e8'
             }]
diff --git a/docs/BatchCodeTableInitializer.js b/docs/BatchCodeTableInitializer.js
index 6348592a217..2df5161221e 100644
--- a/docs/BatchCodeTableInitializer.js
+++ b/docs/BatchCodeTableInitializer.js
@@ -49,7 +49,7 @@ class BatchCodeTableInitializer {
                                 this.#getColumnIndex('Adverse Reaction Reports'),
                                 this.#getColumnIndex('Deaths'),
                                 this.#getColumnIndex('Disabilities'),
-                                this.#getColumnIndex('Life Threatening Illnesses'),
+                                this.#getColumnIndex('Life-Threatening Illnesses'),
                                 this.#getColumnIndex('Hospitalizations'),
                                 this.#getColumnIndex('Severe reports'),
                                 this.#getColumnIndex('Lethality')
@@ -108,7 +108,7 @@ class BatchCodeTableInitializer {
                 return 2;
             case 'Disabilities':
                 return 3;
-            case 'Life Threatening Illnesses':
+            case 'Life-Threatening Illnesses':
                 return 4;
             case 'Hospitalizations':
                 return 5;
diff --git a/docs/batchCodes.html b/docs/batchCodes.html
index 50597e6b3e6..fbe9cab3099 100644
--- a/docs/batchCodes.html
+++ b/docs/batchCodes.html
@@ -57,7 +57,7 @@
         <th>Adverse Reaction Reports</th>
         <th>Deaths</th>
         <th>Disabilities</th>
-        <th>Life Threatening Illnesses</th>
+        <th>Life-Threatening Illnesses</th>
         <th>Hospitalizations</th>
         <th>Company</th>
         <th>Severe reports</th>
diff --git a/src/BatchCodeTableFactory.py b/src/BatchCodeTableFactory.py
index c438e14a8ac..98cabf9ced6 100644
--- a/src/BatchCodeTableFactory.py
+++ b/src/BatchCodeTableFactory.py
@@ -20,7 +20,7 @@ class BatchCodeTableFactory:
                 'Adverse Reaction Reports',
                 'Deaths',
                 'Disabilities',
-                'Life Threatening Illnesses',
+                'Life-Threatening Illnesses',
                 'Hospitalizations',
                 'Company',
                 'Severe reports',
diff --git a/src/BatchCodeTableFactoryTest.py b/src/BatchCodeTableFactoryTest.py
index 65b42fbd41a..0e4eff2af76 100644
--- a/src/BatchCodeTableFactoryTest.py
+++ b/src/BatchCodeTableFactoryTest.py
@@ -28,9 +28,9 @@ class BatchCodeTableFactoryTest(unittest.TestCase):
 
         # Then
         assert_frame_equal(
-            batchCodeTable[['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality']],
+            batchCodeTable[['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life-Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality']],
             TestHelper.createDataFrame(
-                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality'],
+                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life-Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality'],
                 data = [  [2,                          1,        2,              2,                            0,                  'MODERNA', 2/2 * 100,        1/2 * 100],
                           [1,                          0,        0,              0,                            1,                  'MODERNA', 0/1 * 100,        0/1 * 100]],
                 index = pd.Index(
@@ -62,9 +62,9 @@ class BatchCodeTableFactoryTest(unittest.TestCase):
 
         # Then
         assert_frame_equal(
-            batchCodeTable[['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality']],
+            batchCodeTable[['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life-Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality']],
             TestHelper.createDataFrame(
-                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Hospitalizations', 'Company',         'Severe reports', 'Lethality'],
+                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life-Threatening Illnesses', 'Hospitalizations', 'Company',         'Severe reports', 'Lethality'],
                 data = [  [1,                          1,        0,              0,                            0,                  'PFIZER\BIONTECH', 1/1 * 100,        1/1 * 100],
                           [2,                          1,        2,              2,                            2,                  'MODERNA',         2/2 * 100,        1/2 * 100],
                           [1,                          0,        0,              0,                            0,                  'MODERNA',         0/1 * 100,        0/1 * 100]],
@@ -98,9 +98,9 @@ class BatchCodeTableFactoryTest(unittest.TestCase):
 
         # Then
         assert_frame_equal(
-            batchCodeTable[['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality']],
+            batchCodeTable[['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life-Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality']],
             TestHelper.createDataFrame(
-                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality'],
+                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life-Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality'],
                 data = [  ],
                 index = pd.Index([], name = 'VAX_LOT')),
             check_dtype = False)
diff --git a/src/BatchCodeTableIntoHistogramDescriptionTableMerger.py b/src/BatchCodeTableIntoHistogramDescriptionTableMerger.py
index ada8a6b8cf7..50eb8f09662 100644
--- a/src/BatchCodeTableIntoHistogramDescriptionTableMerger.py
+++ b/src/BatchCodeTableIntoHistogramDescriptionTableMerger.py
@@ -27,7 +27,7 @@ class BatchCodeTableIntoHistogramDescriptionTableMerger:
                 'Adverse Reaction Reports',
                 'Deaths',
                 'Disabilities',
-                'Life Threatening Illnesses',
+                'Life-Threatening Illnesses',
                 'Hospitalizations',
                 'Company'
             ]]
diff --git a/src/BatchCodeTableIntoHistogramDescriptionTableMergerTest.py b/src/BatchCodeTableIntoHistogramDescriptionTableMergerTest.py
index f53b3f2ba8e..767c7d7e7c7 100644
--- a/src/BatchCodeTableIntoHistogramDescriptionTableMergerTest.py
+++ b/src/BatchCodeTableIntoHistogramDescriptionTableMergerTest.py
@@ -33,7 +33,7 @@ class BatchCodeTableIntoHistogramDescriptionTableMergerTest(unittest.TestCase):
                     data = ['1808982']))
         
         batchCodeTable = TestHelper.createDataFrame(
-                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality'],
+                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life-Threatening Illnesses', 'Hospitalizations', 'Company', 'Severe reports', 'Lethality'],
                 data = [  [2,                          1,        2,              2,                            3,                  'MODERNA', 2/2 * 100,        np.nan]],
                 index = pd.Index(
                     name = 'VAX_LOT',
@@ -53,7 +53,7 @@ class BatchCodeTableIntoHistogramDescriptionTableMergerTest(unittest.TestCase):
                                 'Adverse Reaction Reports': 2,
                                 'Deaths': 1,
                                 'Disabilities': 2,
-                                'Life Threatening Illnesses': 2,
+                                'Life-Threatening Illnesses': 2,
                                 'Hospitalizations': 3,
                                 'Company': 'MODERNA',
                                 'histograms': [
diff --git a/src/BatchCodeTablePersister.py b/src/BatchCodeTablePersister.py
index 69fd74d0b71..1a45d214afb 100644
--- a/src/BatchCodeTablePersister.py
+++ b/src/BatchCodeTablePersister.py
@@ -16,7 +16,7 @@ def createGlobalBatchCodeTable(deleteEntriesWithADRsLessThanOrEqual, minADRsForL
             'Adverse Reaction Reports',
             'Deaths',
             'Disabilities',
-            'Life Threatening Illnesses',
+            'Life-Threatening Illnesses',
             'Hospitalizations',
             'Company',
             'Severe reports',
diff --git a/src/SummationTableFactory.py b/src/SummationTableFactory.py
index 77df286f3d4..f53fc0e5f26 100644
--- a/src/SummationTableFactory.py
+++ b/src/SummationTableFactory.py
@@ -8,7 +8,7 @@ class SummationTableFactory:
             **{
                 'Deaths':                     pd.NamedAgg(column = 'DIED',     aggfunc = 'sum'),
                 'Adverse Reaction Reports':   pd.NamedAgg(column = 'DIED',     aggfunc = 'size'),
-                'Life Threatening Illnesses': pd.NamedAgg(column = 'L_THREAT', aggfunc = 'sum'),
+                'Life-Threatening Illnesses': pd.NamedAgg(column = 'L_THREAT', aggfunc = 'sum'),
                 'Hospitalizations':           pd.NamedAgg(column = 'HOSPITAL', aggfunc = 'sum'),
                 'Disabilities':               pd.NamedAgg(column = 'DISABLE',  aggfunc = 'sum'),
                 'Severities':                 pd.NamedAgg(column = 'SEVERE',   aggfunc = 'sum')
@@ -20,7 +20,7 @@ class SummationTableFactory:
                 'Adverse Reaction Reports',
                 'Deaths',
                 'Disabilities',
-                'Life Threatening Illnesses',
+                'Life-Threatening Illnesses',
                 'Hospitalizations',
                 'Severe reports',
                 'Lethality'