diff --git a/src/VaersDescrReaderTest.py b/src/VaersDescrReaderTest.py
index 6ab87d9717a..9c739fbec1e 100644
--- a/src/VaersDescrReaderTest.py
+++ b/src/VaersDescrReaderTest.py
@@ -26,11 +26,14 @@ class VaersDescrReaderTest(unittest.TestCase):
         assert_frame_equal(
                 vaersDescr['VAERSVAX'],
                 TestHelper.createDataFrame(
-                    columns = ['VAX_TYPE', 'VAX_MANU', 'VAX_LOT', 'VAX_DOSE_SERIES'],
-                    data = [  ['COVID19',  'JANSSEN',  '1808982', 'UNK']],
+                    columns = ['VAX_TYPE', 'VAX_MANU',        'VAX_LOT', 'VAX_DOSE_SERIES'],
+                    data = [  ['COVID19',  'JANSSEN',         '1808982', 'UNK'],
+                              ['COVID19',  'PFIZER\BIONTECH', 'EW0175',  '1']],
                     index = pd.Index(
                             name = 'VAERS_ID',
-                            data=[2547730]),
+                            data=[
+                                2547730,
+                                2547730]),
                     dtypes = {
                         'VAX_DOSE_SERIES': 'string',
                         'VAX_LOT': 'string'}))
diff --git a/src/testdata/2023VAERSVAX.csv b/src/testdata/2023VAERSVAX.csv
index ba19e8a5a69..f69bfff3a1f 100644
--- a/src/testdata/2023VAERSVAX.csv
+++ b/src/testdata/2023VAERSVAX.csv
@@ -1,2 +1,3 @@
 VAERS_ID,VAX_TYPE,VAX_MANU,VAX_LOT,VAX_DOSE_SERIES,VAX_ROUTE,VAX_SITE,VAX_NAME
 2547730,COVID19,JANSSEN,1808982,UNK,SYR,AR,COVID19 (COVID19 (JANSSEN))
+2547730,COVID19,PFIZER\BIONTECH,EW0175,1,IM,,COVID19 (COVID19 (PFIZER-BIONTECH))