diff --git a/src/covid19/blueprints/ecdc/ecdc_model.py b/src/covid19/blueprints/ecdc/ecdc_model.py
index a48c995e107240e28f1f5c277687bd475803230f..97b2912e2737635b711e2158c77ba79273b4895b 100644
--- a/src/covid19/blueprints/ecdc/ecdc_model.py
+++ b/src/covid19/blueprints/ecdc/ecdc_model.py
@@ -115,6 +115,7 @@ class EcdcCountry(db.Model):
         return " " + self.geo_id \
              + " " + self.country_territory_code \
              + " " + self.countries_and_territories \
+             + " " + self.continent.region \
              + " "
 
     @classmethod
diff --git a/src/covid19/blueprints/owid/owid_model.py b/src/covid19/blueprints/owid/owid_model.py
index c06af950645a73c73386633e95a16b25a8ddd59b..153de63ecfa0643ec4841a4efcddd7dcf72069fd 100644
--- a/src/covid19/blueprints/owid/owid_model.py
+++ b/src/covid19/blueprints/owid/owid_model.py
@@ -84,6 +84,16 @@ class OwidCountry(db.Model):
     life_expectancy = db.Column(db.String(255), nullable=False)
     human_development_index = db.Column(db.String(255), nullable=False)
 
+    def __str__(self):
+        result = ""
+        result += self.iso_code
+        result += " "
+        result += self.location
+        result += " "
+        result += self.continent.region
+        result += " "
+        return result
+
     @classmethod
     def find_by_iso_code_and_location(cls, iso_code, location):
         return db.session.query(cls).filter(and_((cls.iso_code == iso_code), (cls.location == location))).one_or_none()
diff --git a/src/covid19/blueprints/who/who_model.py b/src/covid19/blueprints/who/who_model.py
index 85099568d342ba808e83875ee8bc202a5e465e35..849b0d4c8000de0b764eac24cc0919b55c2573c1 100644
--- a/src/covid19/blueprints/who/who_model.py
+++ b/src/covid19/blueprints/who/who_model.py
@@ -71,6 +71,16 @@ class WhoCountry(db.Model):
         cascade='all, delete',
         order_by='WhoRegion.region')
 
+    def __str__(self):
+        result = ""
+        result += self.country_code
+        result += " "
+        result += self.country
+        result += " "
+        result += self.region.region
+        result += " "
+        return result
+
     @classmethod
     def remove_all(cls):
         for one in cls.get_all():