diff --git a/src/SymptomsCausedByVaccines/Analyzer.py b/src/SymptomsCausedByVaccines/Analyzer.py
index 36b5577d978..8953fd1abe2 100644
--- a/src/SymptomsCausedByVaccines/Analyzer.py
+++ b/src/SymptomsCausedByVaccines/Analyzer.py
@@ -7,3 +7,6 @@ class Analyzer:
 
     def getSymptomsForVaccine(self, vaxType):
         return self.symptomByVaccine.loc[vaxType]
+
+    def getVaccinesForSymptom(self, symptom):
+        return self.symptomByVaccine[symptom]
diff --git a/src/SymptomsCausedByVaccines/AnalyzerTest.py b/src/SymptomsCausedByVaccines/AnalyzerTest.py
index 6988d9c14c9..18c46ab852f 100644
--- a/src/SymptomsCausedByVaccines/AnalyzerTest.py
+++ b/src/SymptomsCausedByVaccines/AnalyzerTest.py
@@ -6,7 +6,6 @@ from SymptomsCausedByVaccines.Analyzer import Analyzer
 
 class AnalyzerTest(unittest.TestCase):
 
-    # input a vaccine name, and see which symptoms are strongest for it.
     def test_getSymptomsForVaccine(self):
         # Given
         symptomByVaccine = TestHelper.createDataFrame(
@@ -31,3 +30,31 @@ class AnalyzerTest(unittest.TestCase):
                     '17-hydroxyprogesterone': 0.4
                     }))
 
+    def test_getVaccinesForSymptom(self):
+        # Given
+        symptomByVaccine = TestHelper.createDataFrame(
+                columns = ['11-beta-hydroxylase deficiency'],
+                data = [  [0.6],
+                          [0.3]],
+                index = pd.Index(
+                    name = 'VAX_TYPE',
+                    data = [
+                        '6VAX-F',
+                        'ADEN'
+                        ]))
+        
+        analyzer = Analyzer(symptomByVaccine)
+
+        # When
+        vaccinesForSymptom = analyzer.getVaccinesForSymptom('11-beta-hydroxylase deficiency')
+        
+        # Then
+        assert_series_equal(
+            vaccinesForSymptom,
+            TestHelper.createSeries(
+                name = '11-beta-hydroxylase deficiency',
+                data = {
+                    '6VAX-F': 0.6,
+                    'ADEN': 0.3
+                    },
+                indexName = 'VAX_TYPE'))
diff --git a/src/TestHelper.py b/src/TestHelper.py
index 8069e409015..fe0f1634edd 100644
--- a/src/TestHelper.py
+++ b/src/TestHelper.py
@@ -6,3 +6,9 @@ class TestHelper:
     @staticmethod
     def createDataFrame(columns, data, dtypes={}, **kwargs):
         return pd.DataFrame(columns=columns, data=data, **kwargs).astype(dtypes)
+
+    @staticmethod
+    def createSeries(indexName, **kwargs):
+        series = pd.Series(**kwargs)
+        series.index.name = indexName
+        return series
diff --git a/src/help.txt b/src/help.txt
index d06173d2974..ceef7ae7be8 100644
--- a/src/help.txt
+++ b/src/help.txt
@@ -5,6 +5,9 @@ FK-FIXME:
 FK-TODO:
 - add google captcha to batchCodeTable.html
 - Symptomhistogramm
+- create an interface where people
+  1. could input a symptom, and see which vaccines are worst, or
+  2. input a vaccine name, and see which symptoms are strongest for it.
 
 anacron job:
 sudo cp src/intensivstationen_howbadismybatch.sh /etc/cron.daily/intensivstationen_howbadismybatch