<prompt> Translate the following text to SwahiliChronic bronchitis is characterized by mucus in the lungs and a persistent wet cough for at least three months a year for several years in a row.  <response>: Bronchitis ya muda mrefu ni ugonjwa wa ugonjwa wa kifua ambao unatokana na umajimaji wa mapafu na kikohozi cha mvua cha muda mrefu kwa angalau miezi mitatu kwa mwaka kwa miaka kadhaa mfululizo. 