Public health stakeholders' perceived status of health communication activitied for the prevention and control of communicable diseases across the EU and EEA /EFTA countries = Estado de las partes interesadas de la salud pública percibida de la comunicación en salud activitied para la prevención y control de enfermedades transmisibles a través de la UE y del EEE / AELC / European Centre for Disease prevention and Control (ECDC)