Contributors:
- Diego Ayala MIVEGEC, IRD, CNRS, Univ. Montpellier, Montpellier, France
- Sandrine Nsango Centre Pasteur du Cameroun, Cameroon
- Jean Akiana Laboratoire National de santé Publique, Democratic Republic of Congo
- Claire Sangba-Kembi Institut Pasteur de Bangui, Central African Republic
- Maite Guardiola MSF Espagne –Barcelone, Spain