About the Authors

Romulus Breban

romulus.breban@pasteur.fr

Affiliation Unité d'Epidémiologie des Maladies Emergentes, Institut Pasteur, Paris, France

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Wrote the paper: RB. Designed the research: RB. Performed the analytical and the numerical analyses: RB.