关于SARS-CoV-2通过母乳的潜在垂直传播的观点
Nam Phuong Le1, Emma Cravo1, Tyler Burke1
1College of Osteopathic Medicine, Rocky Vista University, Ivins, Utah, USA.
Journal of paediatrics and child health
|January 3, 2025
概括
感染SARS-CoV-2的母乳传播对婴儿构成有限的风险. 哺乳的好处超过了潜在的风险,符合健康指南.
科学领域:
- 病毒学 病毒学
- 免疫学 免疫学 免疫学
- 儿科 儿科 儿科
背景情况:
- 严重急性呼吸系统综合征冠状病毒2 (SARS-CoV-2) 已经感染了数百万儿童.
- 与老年儿童相比,婴儿的症状严重程度更高,可能是由于缺乏疫苗接种.
- 人们对通过母乳传播感染性SARS-CoV-2病毒载荷的母亲传播存在担忧.
研究的目的:
- 阐明病毒通过母乳传播的机制.
- 在母乳养的背景下评估SARS-CoV-2的毒性和传染性.
- 对尽量减少新生儿传播的指导方针进行审查.
主要方法:
- 文献审查提出SARS-CoV-2垂直传播的逐步途径.
- 基于已确定的病毒传播机制进行风险评估.
- 报告的病毒载荷和跨膜受体存在的评估.
主要成果:
- 通过母乳传播的病毒需要感染母乳细胞,复制和分泌到母乳中.
- 病毒必须在婴儿的口腔和消化道中生存,感染肠细胞,逃避婴儿的免疫系统,并进入血液.
- 成功的病毒复制和婴儿的全身感染是传播的必要条件.
结论:
- 通过母乳传播的SARS-CoV-2对婴儿具有有限的风险.
- 哺乳的好处远远超过了潜在的风险.
- 在母乳养期间,近距离接触和呼吸道滴滴暴露的传播风险比母乳本身更高.
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