translation.en: Every year many persons die from influenza, and risk groups such as elderly people and persons with certain underlying diseases, such as cardiovascular disease and lung diseases are advised to be vaccinated before the flu season starts.
translation.es: Todos los años fallecen muchas personas por gripe y se aconseja vacunar a los grupos de riesgo, entre ellos, ancianos y personas con determinadas enfermedades subyacentes, como afecciones cardiovasculares y pulmonares, antes del comienzo de la temporada de gripe.