To the Editor,Cough is an essential protective reflex that facilitates the clearance of airway secretions and foreign material.Among the many etiologies of cough,respiratory virus infections(RVIs)represent the most fr...To the Editor,Cough is an essential protective reflex that facilitates the clearance of airway secretions and foreign material.Among the many etiologies of cough,respiratory virus infections(RVIs)represent the most frequent cause globally.1 Although cough is often regarded as a nonspecific and self-limited symptom,marked heterogeneity exists in its severity and duration across individuals.In a subset of patients,cough persists beyond the period of acute illness,resulting in postinfectious cough(PIC),which is clinically defined as a subacute cough lasting 3–8 weeks following RVIs.展开更多
基金supported by Beijing Municipal Health Commission Research Ward Excellence Clinical Research Program(No.BRWEP2024W114060100)Beijing Nova Program(No.20230484343)+1 种基金Chinese Academy of Medical Sciences(CAMS)Innovation Fund for Medical Sciences(No.2023-I2M-C&T-B-119)New Cornerstone Science Foundation to B.C.
文摘To the Editor,Cough is an essential protective reflex that facilitates the clearance of airway secretions and foreign material.Among the many etiologies of cough,respiratory virus infections(RVIs)represent the most frequent cause globally.1 Although cough is often regarded as a nonspecific and self-limited symptom,marked heterogeneity exists in its severity and duration across individuals.In a subset of patients,cough persists beyond the period of acute illness,resulting in postinfectious cough(PIC),which is clinically defined as a subacute cough lasting 3–8 weeks following RVIs.
