• J F Delfraissy.
• CCNE, France.
• B Acad Nat Med Paris. 2023 Mar 1; 207 (3): 287294287-294.

AbstractEmerging infectious diseases (EIDs) can be responsible for epidemics or even pandemics that disrupt societies and cause national and international crises. In our globalized world, anarchic urbanization, ecosystem disruptions (deforestation, creation of dams…), changes in crop and livestock farming conditions, the increasing availability of air transport, population displacement and climate change are all factors that favor the occurrence and spread of emerging or re-emerging pathogens such as SARS-Cov, MERS-CoV, Ebola, Zika, influenza, or more recently SARS-CoV-2 and Monkeypox. States, regional and international organizations, health and research agencies, non-governmental organizations and the pharmaceutical industry are today challenged by the repetition of these crises and their consequences on health, social, economic and political balances. For the past fifteen years, we have clearly been in a new regime of infectious emergence and re-emergence. This new regime calls for new responses, to meet in the urgency the challenges of emergency epidemic crises and to better respond to the issues of crisis management in a context of "One Health". Research is an essential pillar in the response to these epidemics with a double challenge: (i) to improve knowledge on the disease, its prevention, treatment, diagnosis, impact on society. and (ii) to prepare for and understand future emergencies, "anticipate". As epidemics have occurred over the last fifteen years, French research has been organized and has evolved to respond to these crises, from the genesis of REACTing in 2011, to the creation of the ANRS Emerging Infectious Diseases in 2021.© 2023 Published by Elsevier Masson SAS on behalf of l'Académie nationale de médecine.

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