Pediatrics. 2000 Aug;106(2 Pt 1):362-6. doi: 10.1542/peds.106.2.362.
Heptavalent pneumococcal conjugate vaccine (PCV7) is recommended for universal use in children 23 months and younger, to be given concurrently with other recommended childhood vaccines at 2, 4, 6, and 12 to 15 months of age. For children 7 to 23 months old who have not received previous doses of PCV7, administration of a reduced number of doses is recommended. Two doses of PCV7 are recommended for children 24 to 59 months old at high risk of invasive pneumococcal infection-including children with functional, anatomic, or congenital asplenia; infection with human immunodeficiency virus; and other predisposing conditions-who have not been immunized previously with PCV7. Recommendations have been made for use of 23-valent pneumococcal polysaccharide (23PS) vaccine in high-risk children to expand serotype coverage. High-risk children should be given vaccines at the earliest possible opportunity. Use of antibiotic prophylaxis in children younger than 5 years with functional or anatomic asplenia, including children with sickle cell disease, continues to be recommended. Children who have not experienced invasive pneumococcal infection and have received recommended pneumococcal immunizations may discontinue prophylaxis after 5 years of age. The safety and efficacy of PCV7 and 23PS in children 24 months or older at moderate or lower risk of invasive pneumococcal infection remain under investigation. Current US Food and Drug Administration indications are for administration of PCV7 only to children younger than 24 months. Data are insufficient to recommend routine administration of PCV7 for children at moderate risk of pneumococcal invasive infection, including all children 24 to 35 months old, children 36 to 59 months old who attend out-of-home care, and children 36 to 59 months old who are of Native American (American Indian and Alaska Native) or African American descent. However, all children 24 to 59 months old, regardless of whether they are at low or moderate risk, may benefit from the administration of pneumococcal immunizations. Therefore, a single dose of PCV7 or 23PS vaccine may be given to children 24 months or older. The 23PS is an acceptable alternative to PCV7, although an enhanced immune response and probable reduction of nasopharyngeal carriage favor the use of PCV7 whenever possible.
七价肺炎球菌结合疫苗(PCV7)建议普遍用于23个月及以下的儿童,在2、4、6月龄以及12至15月龄时与其他推荐的儿童疫苗同时接种。对于7至23个月龄且此前未接种过PCV7的儿童,建议减少接种剂量。对于24至59个月龄有侵袭性肺炎球菌感染高风险的儿童(包括有功能性、解剖性或先天性无脾症的儿童;感染人类免疫缺陷病毒的儿童;以及其他易感情况的儿童),若此前未接种过PCV7,建议接种两剂PCV7。已建议在高风险儿童中使用23价肺炎球菌多糖(23PS)疫苗以扩大血清型覆盖范围。高风险儿童应尽早接种疫苗。对于5岁以下有功能性或解剖性无脾症的儿童,包括患有镰状细胞病的儿童,继续建议使用抗生素预防。未发生侵袭性肺炎球菌感染且已接种推荐的肺炎球菌疫苗的儿童在5岁后可停止预防。PCV7和23PS在24个月及以上侵袭性肺炎球菌感染风险为中度或更低的儿童中的安全性和有效性仍在研究中。美国食品药品监督管理局目前的适应症仅为对24个月以下的儿童接种PCV7。数据不足以建议对肺炎球菌侵袭性感染风险为中度的儿童常规接种PCV7,这些儿童包括所有24至35个月龄的儿童、接受家庭外照料的36至59个月龄的儿童以及美洲原住民(美国印第安人和阿拉斯加原住民)或非裔美国人后裔的36至59个月龄的儿童。然而,所有24至59个月龄的儿童,无论其风险是低还是中度,接种肺炎球菌疫苗可能都有益处。因此,可对24个月及以上的儿童接种一剂PCV7或23PS疫苗。23PS是PCV7的可接受替代疫苗,尽管增强的免疫反应以及可能减少的鼻咽部携带情况尽可能倾向于使用PCV7。