diff --git a/HowBadIsMyBatch.ipynb b/HowBadIsMyBatch.ipynb
index d298a0f5a2b..fcc48c6c3f4 100644
--- a/HowBadIsMyBatch.ipynb
+++ b/HowBadIsMyBatch.ipynb
@@ -65,18 +65,24 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "def createDataFrameFromDescr(vaersDescr):\n",
-    "    return pd.merge(\n",
-    "            vaersDescr['VAERSDATA'],\n",
-    "            vaersDescr['VAERSVAX'],\n",
-    "            how = 'left',\n",
-    "            left_index = True,\n",
-    "            right_index = True,\n",
-    "            validate = 'one_to_many')\n",
+    "import pandas as pd\n",
     "\n",
-    "def createDataFrameFromDescrs(vaersDescrs):\n",
-    "    dataFrames = [createDataFrameFromDescr(vaersDescr) for vaersDescr in vaersDescrs]\n",
-    "    return pd.concat(dataFrames)\n"
+    "class VaersDescr2DataFrameConverter:\n",
+    "\n",
+    "    @staticmethod\n",
+    "    def createDataFrameFromDescr(vaersDescr):\n",
+    "        return pd.merge(\n",
+    "                vaersDescr['VAERSDATA'],\n",
+    "                vaersDescr['VAERSVAX'],\n",
+    "                how = 'left',\n",
+    "                left_index = True,\n",
+    "                right_index = True,\n",
+    "                validate = 'one_to_many')\n",
+    "\n",
+    "    @staticmethod\n",
+    "    def createDataFrameFromDescrs(vaersDescrs):\n",
+    "        dataFrames = [VaersDescr2DataFrameConverter.createDataFrameFromDescr(vaersDescr) for vaersDescr in vaersDescrs]\n",
+    "        return pd.concat(dataFrames)\n"
    ]
   },
   {
@@ -209,7 +215,7 @@
     "                        dtypes = {'VAX_DOSE_SERIES': \"string\"})\n",
     "                }\n",
     "            ]\n",
-    "        dataFrame = createDataFrameFromDescrs(vaersDescrs)\n",
+    "        dataFrame = VaersDescr2DataFrameConverter.createDataFrameFromDescrs(vaersDescrs)\n",
     "            \n",
     "        # When\n",
     "        dataFrame = filterDataFrame(dataFrame, manufacturer = \"MODERNA\", dose = '1')\n",
@@ -248,7 +254,7 @@
     "                       dtypes = {'VAX_DOSE_SERIES': \"string\"})\n",
     "               }\n",
     "            ]\n",
-    "        dataFrame = createDataFrameFromDescrs(vaersDescrs)\n",
+    "        dataFrame = VaersDescr2DataFrameConverter.createDataFrameFromDescrs(vaersDescrs)\n",
     "        \n",
     "        # When\n",
     "        dataFrame = filterDataFrameForSevereEffects(dataFrame, dose = '1')\n",
@@ -283,7 +289,7 @@
     "                       dtypes = {'VAX_DOSE_SERIES': \"string\"})\n",
     "               }\n",
     "            ]\n",
-    "        dataFrame = createDataFrameFromDescrs(vaersDescrs)\n",
+    "        dataFrame = VaersDescr2DataFrameConverter.createDataFrameFromDescrs(vaersDescrs)\n",
     "            \n",
     "        # When\n",
     "        dataFrame = filterDataFrame(dataFrame, manufacturer = \"MODERNA\", dose = '1')\n",
@@ -316,7 +322,7 @@
     "                       dtypes = {'VAX_DOSE_SERIES': \"string\"})\n",
     "               }\n",
     "            ]\n",
-    "        dataFrame = createDataFrameFromDescrs(vaersDescrs)\n",
+    "        dataFrame = VaersDescr2DataFrameConverter.createDataFrameFromDescrs(vaersDescrs)\n",
     "            \n",
     "        # When\n",
     "        dataFrame = filterDataFrame(dataFrame, manufacturer = \"MODERNA\", dose = '2')\n",
@@ -346,7 +352,7 @@
     "class BatchCodeTableTest(unittest.TestCase):\n",
     "\n",
     "    def test_createBatchCodeTable2(self):\n",
-    "        dataFrame = createDataFrameFromDescrs(\n",
+    "        dataFrame = VaersDescr2DataFrameConverter.createDataFrameFromDescrs(\n",
     "            [\n",
     "               {\n",
     "                   'VAERSDATA': self.createDataFrame(\n",
@@ -389,7 +395,7 @@
     "    def test_createBatchCodeTable(self):\n",
     "        self._test_createBatchCodeTable(\n",
     "            filterDataFrame(\n",
-    "                createDataFrameFromDescrs(\n",
+    "                VaersDescr2DataFrameConverter.createDataFrameFromDescrs(\n",
     "                    VaersDescrReader(\"test/VAERS\").readAllVaersDescrs()),\n",
     "                manufacturer = \"MODERNA\",\n",
     "                dose = '1'))\n",
@@ -426,7 +432,7 @@
     "\n",
     "    def test_createSevereEffectsBatchCodeTable(self):\n",
     "        # Given\n",
-    "        dataFrame = createDataFrameFromDescrs(\n",
+    "        dataFrame = VaersDescr2DataFrameConverter.createDataFrameFromDescrs(\n",
     "            [\n",
     "               {\n",
     "                   'VAERSDATA': self.createDataFrame(\n",
@@ -490,7 +496,7 @@
     "def saveBatchCodeTable(manufacturer, excelFile):\n",
     "    batchCodeTable = createBatchCodeTable(\n",
     "        filterDataFrame(\n",
-    "            createDataFrameFromDescrs(\n",
+    "            VaersDescr2DataFrameConverter.createDataFrameFromDescrs(\n",
     "                VaersDescrReader(\"VAERS\").readAllVaersDescrs()),\n",
     "            manufacturer = manufacturer,\n",
     "            dose = '1'))\n",
@@ -520,7 +526,7 @@
     "def saveSevereEffectsBatchCodeTable(excelFile):\n",
     "    severeEffectsBatchCodeTable = createSevereEffectsBatchCodeTable(\n",
     "        filterDataFrameForSevereEffects(\n",
-    "            createDataFrameFromDescrs(\n",
+    "            VaersDescr2DataFrameConverter.createDataFrameFromDescrs(\n",
     "                VaersDescrReader(\"VAERS\").readAllVaersDescrs()),\n",
     "                dose = '1'))\n",
     "    display('severeEffectsBatchCodeTable', severeEffectsBatchCodeTable)\n",