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全球范围的蝙蝠病毒检测数据集表明,怀孕减少了病毒的流失

Evan A Eskew^1,2, Kevin J Olival¹, Jonna A K Mazet³

¹EcoHealth Alliance, New York, NY, USA.

Proceedings. Biological sciences

|April 16, 2025

概括

蝙蝠的怀孕可能会减少病毒分泌,与其他哺乳动物不同. 这一发现为管理来自蝙蝠种群的动物传播病毒溢出提供了新的见解.

科学领域:

兽医病毒学兽医病毒学
野生动物生态生态学
流行病学流行病学

背景情况:

蝙蝠是动物传播病毒的重要储存库.
了解蝙蝠中的病毒动态对于预测动物传染病原体溢出和人类疾病风险至关重要.
蝙蝠的生命史特征,如繁殖,可能会影响病毒溢出模式.

研究的目的:

调查生殖状态对病毒动态和在自由活动的蝙蝠中脱落的影响.
分析怀孕和哺乳期如何影响各种蝙蝠物种和地理位置的病毒分泌.

主要方法:

利用了跨越8个病毒家族和来自14个国家的96个蝙蝠物种的多年全球病毒检测数据集.
采用贝叶斯模型来分析生殖状态 (怀孕,哺乳期) 和病毒泄漏之间的关系.
评估不同模型配方和数据子集的发现的稳定性.

主要成果:

怀孕在各种分析中对病毒分泌产生了一致的负面影响.
与怀孕相比,哺乳期对病毒分泌的影响不那么一致和较弱.
这些对蝙蝠病毒分泌的生殖效应与在其他哺乳动物宿主中观察到的模式不同.

结论:

怀孕可能起到抑制蝙蝠病毒分泌的作用,这可能是由于它们免疫反应的适应.
这一发现挑战了典型的哺乳动物反应,并表明蝙蝠可能已经进化了在怀孕期间管理病毒载荷的机制.
需要进一步的研究来测试怀孕增强蝙蝠免疫反应的假设,影响病毒载量,流产和胎儿感染风险,这可能有助于管理动物传播的溢出.

关键词:

长腿动物 (Chiroptera) 是一个类动物.病原体的溢出病原体的溢出生殖生物学生殖生物学病毒感染动态病毒感染动态病毒监测病毒监测动物性传染病是一种动物性疾病.

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