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Continue to ChatLondon and Paris https://circulatingnow.nlm.nih.gov/2022/07/14/bertillons-statistical-analysis-of-the-1889-1890-influenza-epidemic/bertillon-la-grippe-map_london-paris/
London and Paris https://circulatingnow.nlm.nih.gov/2022/07/14/bertillons-statistical-analysis-of-the-1889-1890-influenza-epidemic/bertillon-la-grippe-map_london-paris/