Pneumonia, heart failure/cardiovascular disease,and chronic obstructive pulmonary disease/pulmonary diseaseare the most common readmission diagnoses after pneumoniahospitalization. Although pneumonia was the most commonreadmission diagnosis, it accounted for only a minority of allreadmissions. Late readmission diagnoses are less thoroughlydescribed, and further research is needed to understand howhospitalization for pneumonia fits within the broader context ofpatients’ health trajectory.