diff --git a/notebooks/covid-19-ecdc.ipynb b/notebooks/covid-19-ecdc.ipynb
index f5f731bfb0739c7f04b4452b79544d78993254d3..31ca7cbfae1e06578c7f95a43c921e6cf329907e 100644
--- a/notebooks/covid-19-ecdc.ipynb
+++ b/notebooks/covid-19-ecdc.ipynb
@@ -81,15 +81,33 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "nthresh=500000\n",
-    "country_max_ser = df.set_index(['country_label', 'date'])['positive'].groupby(level='country_label').max()\n",
+    "df.columns"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "nthresh=3000\n",
+    "country_max_ser = df.set_index(['country_label', 'date'])['positive_100k'].groupby(level='country_label').max()\n",
     "countries_over_thresh = country_max_ser[country_max_ser>nthresh].index\n",
     "countries_over_thresh = [c for c in countries_over_thresh if c not in set(['Andorra', 'Iceland', 'San Marino'])]\n",
     "\n",
-    "start_date = datetime.fromisoformat('2020-02-01')\n",
+    "start_date = datetime.fromisoformat('2020-08-01')\n",
     "thresh_df = df.loc[(df.date > start_date) & (df.country_label.isin(countries_over_thresh))]"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "df.columns"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -144,6 +162,7 @@
     "    height=150,\n",
     "    width=150\n",
     ")\n",
+    "chart.resolve_scale(y='independent')\n",
     "display(chart)\n",
     "display(html_credits)"
    ]