diff --git a/environment.yml b/environment.yml
index d2542baa7cc..3832ca6ddab 100644
--- a/environment.yml
+++ b/environment.yml
@@ -17,6 +17,7 @@ dependencies:
   - pillow
   - openpyxl
   - tqdm
+  - simplejson
   # - python-decouple
   # - selenium
   # - webdriver-manager
diff --git a/src/BatchCodeTableIntoHistogramDescriptionTableMerger.py b/src/BatchCodeTableIntoHistogramDescriptionTableMerger.py
new file mode 100644
index 00000000000..85f5dcc6792
--- /dev/null
+++ b/src/BatchCodeTableIntoHistogramDescriptionTableMerger.py
@@ -0,0 +1,30 @@
+import pandas as pd
+
+class BatchCodeTableIntoHistogramDescriptionTableMerger:
+
+    # FK-TODO: refactor
+    @staticmethod
+    def mergeBatchCodeTableIntoHistogramDescriptionTable(batchCodeTable, histogramDescriptionTable):
+        def merge(src):
+             dst = src['HISTOGRAM_DESCRIPTION']
+             # dict_3 = {**dict_1, **dict_2}
+             dst['Adverse Reaction Reports'] = src['Adverse Reaction Reports']
+             dst['Deaths'] = src['Deaths']
+             dst['Disabilities'] = src['Disabilities']
+             dst['Life Threatening Illnesses'] = src['Life Threatening Illnesses']
+             dst['Company'] = src['Company']
+             dst['Severe reports'] = src['Severe reports']
+             dst['Lethality'] = src['Lethality']
+             return dst
+        mergedTable = pd.merge(
+             histogramDescriptionTable,
+             batchCodeTable,
+             how = 'left',
+             left_index = True,
+             right_index = True,
+             validate = 'one_to_one')
+        mergedTable = mergedTable[['HISTOGRAM_DESCRIPTION', 'Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Company', 'Severe reports', 'Lethality']].apply(merge, axis='columns')
+        mergedTable.name = 'HISTOGRAM_DESCRIPTION'
+        mergedTable = mergedTable.to_frame()
+        mergedTable['COUNTRY'] = histogramDescriptionTable['COUNTRY']
+        return mergedTable
diff --git a/src/BatchCodeTableIntoHistogramDescriptionTableMergerTest.py b/src/BatchCodeTableIntoHistogramDescriptionTableMergerTest.py
new file mode 100644
index 00000000000..3d91505233a
--- /dev/null
+++ b/src/BatchCodeTableIntoHistogramDescriptionTableMergerTest.py
@@ -0,0 +1,76 @@
+import unittest
+from pandas.testing import assert_frame_equal
+from BatchCodeTableIntoHistogramDescriptionTableMerger import BatchCodeTableIntoHistogramDescriptionTableMerger
+from TestHelper import TestHelper
+import pandas as pd
+import numpy as np
+
+class BatchCodeTableIntoHistogramDescriptionTableMergerTest(unittest.TestCase):
+
+    def test_mergeBatchCodeTableIntoHistogramDescriptionTable(self):
+        # Given
+        histogramDescriptionTable = TestHelper.createDataFrame(
+                columns = ['HISTOGRAM_DESCRIPTION',                                                                    'COUNTRY'],
+                data = [  [
+                            {
+                                'batchcode': '1808982',
+                                'histograms': [
+                                    {
+                                        'batchcodes': ['1808982', 'EW0175', 'FD1921'],
+                                        'histogram': {'Blood pressure orthostatic abnormal': 5, 'Chest discomfort': 1}
+                                    },
+                                    {
+                                        'batchcodes': ['015M20A', '1808982'],
+                                        'histogram': {'Chest discomfort': 2}
+                                    }
+                                ]
+                            },
+                                                                                                                        'Global'
+                          ]
+                        ],
+                index =  pd.Index(
+                    name = 'VAX_LOT',
+                    data = ['1808982']))
+        
+        batchCodeTable = TestHelper.createDataFrame(
+                columns = ['Adverse Reaction Reports', 'Deaths', 'Disabilities', 'Life Threatening Illnesses', 'Company', 'Severe reports', 'Lethality'],
+                data = [  [2,                          1,        2,              2,                            'MODERNA', 2/2 * 100,        np.nan]],
+                index = pd.Index(
+                    name = 'VAX_LOT',
+                    data = ['1808982']))
+
+        # When
+        mergedTable = BatchCodeTableIntoHistogramDescriptionTableMerger.mergeBatchCodeTableIntoHistogramDescriptionTable(batchCodeTable = batchCodeTable, histogramDescriptionTable = histogramDescriptionTable)
+
+        # Then
+        assert_frame_equal(
+            mergedTable,
+            TestHelper.createDataFrame(
+                columns = ['HISTOGRAM_DESCRIPTION',                                                                    'COUNTRY'],
+                data = [  [
+                            {
+                                'batchcode': '1808982',
+                                'Adverse Reaction Reports': 2,
+                                'Deaths': 1,
+                                'Disabilities': 2,
+                                'Life Threatening Illnesses': 2,
+                                'Company': 'MODERNA',
+                                'Severe reports': 2/2 * 100,
+                                'Lethality': np.nan,
+                                'histograms': [
+                                    {
+                                        'batchcodes': ['1808982', 'EW0175', 'FD1921'],
+                                        'histogram': {'Blood pressure orthostatic abnormal': 5, 'Chest discomfort': 1}
+                                    },
+                                    {
+                                        'batchcodes': ['015M20A', '1808982'],
+                                        'histogram': {'Chest discomfort': 2}
+                                    }
+                                ]
+                            },
+                                                                                                                        'Global'
+                          ]
+                        ],
+                index =  pd.Index(
+                    name = 'VAX_LOT',
+                    data = ['1808982'])))
diff --git a/src/HistogramFactoryAndPersister.py b/src/HistogramFactoryAndPersister.py
index f74156503e4..1dba4e30f35 100644
--- a/src/HistogramFactoryAndPersister.py
+++ b/src/HistogramFactoryAndPersister.py
@@ -2,13 +2,23 @@ from HistogramFactory import createHistograms
 from HistogramPersister import saveHistograms
 from MultiIndexExploder import MultiIndexExploder
 from HistogramDescriptionTableFactory import HistogramDescriptionTableFactory
+from BatchCodeTableIntoHistogramDescriptionTableMerger import BatchCodeTableIntoHistogramDescriptionTableMerger
 
 
-def createAndSaveGlobalHistograms(symptomByBatchcodeTable):
+def createAndSaveGlobalHistograms(symptomByBatchcodeTable, batchCodeTable):
     symptomByBatchcodeTable = symptomByBatchcodeTable.assign(COUNTRY = 'Global')
     dictByBatchcodeTable = createHistograms(symptomByBatchcodeTable)
     explodedTable = MultiIndexExploder.explodeMultiIndexOfTable(dictByBatchcodeTable)
     histogramDescriptionTable = HistogramDescriptionTableFactory.createHistogramDescriptionTable(explodedTable)
+    histogramDescriptionTable = BatchCodeTableIntoHistogramDescriptionTableMerger.mergeBatchCodeTableIntoHistogramDescriptionTable(
+        batchCodeTable = _rearrange(batchCodeTable),
+        histogramDescriptionTable = histogramDescriptionTable)
     for country, histogramDescriptionTableForCountry in histogramDescriptionTable.groupby('COUNTRY'):
         print(f'saving histograms for {country}')
-        saveHistograms(histogramDescriptionTableForCountry, country)
\ No newline at end of file
+        saveHistograms(histogramDescriptionTableForCountry, country)
+
+
+def _rearrange(batchCodeTable):
+    batchCodeTable = batchCodeTable.set_index('Batch')
+    batchCodeTable.index.rename('VAX_LOT', inplace = True)
+    return batchCodeTable
\ No newline at end of file
diff --git a/src/HowBadIsMyBatch.ipynb b/src/HowBadIsMyBatch.ipynb
index 19b06bd06c8..39da46d2e36 100644
--- a/src/HowBadIsMyBatch.ipynb
+++ b/src/HowBadIsMyBatch.ipynb
@@ -112,16 +112,6 @@
     "symptomByBatchcodeTable"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "23731536",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "createAndSaveGlobalHistograms(symptomByBatchcodeTable)"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -149,13 +139,23 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "89d57e0f",
+   "id": "189a639e",
    "metadata": {},
    "outputs": [],
    "source": [
     "updateBatchCodeTableHtmlFile(batchCodeTable, batchCodeTableHtmlFile=\"../docs/batchCodeTable.html\")"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "ec2a692e",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "createAndSaveGlobalHistograms(symptomByBatchcodeTable, batchCodeTable)"
+   ]
+  },
   {
    "attachments": {},
    "cell_type": "markdown",
diff --git a/src/IOUtils.py b/src/IOUtils.py
index d58cbe18221..4085d1e39e4 100644
--- a/src/IOUtils.py
+++ b/src/IOUtils.py
@@ -1,5 +1,5 @@
 import os
-import json
+import simplejson as json
 
 class IOUtils:
 
@@ -31,7 +31,7 @@ class IOUtils:
     def saveDictAsJson(dict, file):
         IOUtils.ensurePath(file)
         with open(file, 'w') as outfile:
-            json.dump(dict, outfile)
+            json.dump(dict, outfile, ignore_nan=True)
 
     @staticmethod
     def ensurePath(file):