Heart failure (HF) is a severe cardiovascular pathology with escalating prevalence and notable morbidity and mortality on a global scale. Addressing this condition presents an imperative, in order to improve patient prognosis and alleviate its socioeconomic consequences. Immunization emerges as an indispensable facet in the comprehensive care of these individuals [1]. This population is particularly vulnerable to infections, precipitating increased rates of hospitalization, complications, and mortality.
