How they flattened the curve during the 1918 Spanish Flu
— Read on api.nationalgeographic.com/distribution/public/amp/history/2020/03/how-cities-flattened-curve-1918-spanish-flu-pandemic-coronavirus
Ontario Association for Geographic and Environmental Education/ Association pour l'enseignement de la géographie et de l'environnement en Ontario: Leading the way in supporting teachers since 1948