Based in Huancavelica, he has worked throughout Peru and in conjunction with UNICEF and PAHO on the control of transmissible diseases and the eradication of polio. Dr. Ecos has served as the executive director of the Regional Hospital of Ica and has advised government and non-government organizations on issues relating to occupational diseases, cholera and polio. He has also organized and led numerous training courses on topics ranging from environmental health to the monitoring of intra-hospital infections. Presently, Dr. Ecos is the Director of Epidemiology at the Departmental Hospital of Huancavelica.