About the Authors

Francesco Checchi

Affiliations Epicentre, Paris, France, Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Patrice Piola

Affiliation Epicentre, Paris, France

Harriet Ayikoru

Affiliation Médecins Sans Frontières, French section, Paris, France

Florence Thomas

Affiliation Epicentre, Paris, France

Dominique Legros

Affiliations Epicentre, Paris, France, Alert and Response Operations, Epidemic and Pandemic Alert and Response, World Health Organization, Geneva, Switzerland

Gerardo Priotto


Affiliation Epicentre, Paris, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FC PP DL GP FT. Performed the experiments: PP HA FT. Analyzed the data: PP GP. Wrote the paper: FC GP.