革兰染色可以显示：镰刀状成串排列双球菌（肺炎链球菌）、成簇分布的革兰阳性球菌（金黄色葡萄球菌）、革兰阴性球杆菌（流感嗜血杆菌）、革兰阴性杆菌（肺炎克雷伯杆菌或肠杆菌）；抗酸染色阳性，提示为结核杆菌感染；必要时可以用免疫荧光或酶标抗体染色后进行确认。
B-pro I-pro I-pro I-pro O O O O O O O O O O O O B-mic I-mic I-mic O B-mic I-mic I-mic I-mic I-mic O O O O O O O B-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic I-mic I-mic I-mic O O B-mic I-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic I-mic I-mic O O B-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic O O B-sym I-sym I-sym I-sym I-sym I-sym O O O O B-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O B-pro I-pro I-pro I-pro O B-pro I-pro I-pro I-pro I-pro I-pro O O O O O O