covid-pandas.py

import pandas as pd
import plotly.express as px

df = pd.read_csv("https://gist.github.com/ghtmtt/66164cc25a7b160cef99fa61b2feca59/raw/3034facfdecf7358934d9f0a78341c4d13f2af47/covid-pandas.csv")
col = [col for col in df.columns if '20' in col]

dfm = pd.melt(
  df, 
  id_vars=["Province/State", "Country/Region", "continent", "Lat", "Long"], 
  value_vars=col, 
  var_name="Date", 
  value_name="Cases"
)

fig = px.bar(
  dfm, 
  x="Country/Region", 
  y="Cases", 
  facet_col="continent"
)

fig.update_xaxes(matches=None)
fig.show()