Core Insights - Community-acquired pneumonia (CAP) is a common type of lower respiratory tract infection with high incidence and significant harm, particularly among the elderly in China due to the aging population [1][3] Group 1: Disease Characteristics - CAP in the elderly often presents atypical symptoms such as decreased appetite, fatigue, confusion, and urinary incontinence, which can lead to delayed diagnosis [3] - The incidence of elderly CAP shows seasonal fluctuations, with higher rates in Northeast and East China, particularly during autumn and winter [3] - Elderly pneumonia has unique characteristics, including insidious onset, atypical symptoms, rapid progression, and multiple complications [3][4] Group 2: Treatment Approaches - The distribution of pathogens in elderly CAP is characterized by a predominance of Gram-negative bacilli, especially in older patients, with a high risk of mixed infections and antibiotic resistance [4] - Treatment should be based on the unique pathophysiological features of elderly pneumonia, initiating empirical anti-infection therapy early and adjusting treatment based on pneumonia type and severity [4] - New classes of antibiotics can significantly shorten treatment duration and reduce hospital stay, alleviating the healthcare burden [4] Group 3: Prevention Strategies - Vaccination is highlighted as the most cost-effective preventive measure, with recommendations for elderly individuals to receive pneumococcal and seasonal influenza vaccines [6] - Maintaining good hygiene practices, such as handwashing and wearing masks, is essential to reduce infection risk [6] - Additional preventive measures include proper eating posture for those with swallowing difficulties, maintaining oral hygiene, balanced nutrition, and moderate exercise to enhance immunity [6]