This chart offers a comparison of the contagion indices of infectious diseases, common viruses, and bacteria worldwide in 2020. Thus, with a contagion rate between 1.5 and 3.5, the COVID-19 coronavirus proved to be more contagious than the typical seasonal flu.
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Le Monde. (March 2, 2020). Comparison of the Contagiousness Indices of Infectious Diseases, Common Viruses, and Bacteria Worldwide in 2020 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1647213/contagiousness-diseases-viruses-bacteria/
Le Monde. "Comparison of the Contagiousness Indices of Infectious Diseases, Common Viruses, and Bacteria Worldwide in 2020." Chart. March 2, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1647213/contagiousness-diseases-viruses-bacteria/
Le Monde. (2020). Comparison of the Contagiousness Indices of Infectious Diseases, Common Viruses, and Bacteria Worldwide in 2020. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1647213/contagiousness-diseases-viruses-bacteria/
Le Monde. "Comparison of The Contagiousness Indices of Infectious Diseases, Common Viruses, and Bacteria Worldwide in 2020." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 2 Mar 2020, /statistics/1647213/contagiousness-diseases-viruses-bacteria/
Le Monde, Comparison of the Contagiousness Indices of Infectious Diseases, Common Viruses, and Bacteria Worldwide in 2020 ÌÇÐÄÆƽâ°æ, /statistics/1647213/contagiousness-diseases-viruses-bacteria/ (last visited July 29, 2026)
Comparison of the Contagiousness Indices of Infectious Diseases, Common Viruses, and Bacteria Worldwide in 2020 [Graph], Le Monde, March 2, 2020. [Online]. Available: /statistics/1647213/contagiousness-diseases-viruses-bacteria/
