天降鸟屎为什么会把人送进急诊

这是因为干燥的鸟粪通常是真菌物种生长的非常肥沃的土壤，由于含氮碱基浓度高，并且随着粪便的老化，它们含有比最近消除时更高浓度的真菌[16]。

巴西研究者发现，在暴露时间更长和年龄较大的鸟类粪便中，念珠菌属酵母菌的丰度更高[6]。

所以，就算是家养的鸟类，也要对笼子进行定期的清洗和护理，降低自己暴露于鸟粪的风险，户外活动时也要尽量避免接触被鸟粪弄脏的泥土或草。

当你下次摸到天降鸟屎或者野鸽子，或许需要想想，它们到底是“飞来祥瑞”、“和平使者”，还是一只“会飞的病原体”。

参考文献

[1]Ornithology(2023).Uric Acid and the Cloaca.

[2]Poultryhub(n.d.).Excretory System.

[3]Gill, F. B. (2007). Ornithology. W.H. Freeman.

[4]Andrew M.(2010).Feeding and digestion in birds.

[5]Isabelle Regina deOliveira Queiroz-Aaltonen, Marcílio Ferreira de Melo Neto, Luísa AndreaVillanueva da Fonseca, Denise Maria Wanderlei Silva, & Fernanda CristinaAlbuquerque Maranhão. (2022). Molecular Detection of Medically ImportantCandida species from Droppings of Pigeons (Columbiformes) and Captive Birds(Passeriformes and Psittaciformes). Brazilian Archives of Biology andTechnology, 64.

[6]Simi, W. B., Leite-Jr, D. P., Paula, C. R., Hoffmann-Santos, H. D., Takahara, D. T., & Hahn, R. C.. (2019). Yeasts and filamentous fungi in psittacidae and birds of prey droppings in midwest region of Brazil: a potential hazard to human health. Brazilian Journal of Biology, 79(3), 414–422.

[7]Garcia-Mazcorro, J. F., Alanis-Lopez, C., Marroquin-Cardona, A. G., & Kawas, J. R. (2021). Composition and Potential Function of Fecal Bacterial Microbiota from Six Bird Species. Birds, 2(1), 42-59–59.

[8]Chung, D. M., Ferree, E., Simon, D. M., & Yeh, P. J. (2018). Patterns of Bird–Bacteria Associations. EcoHealth, 3.

[9]Stenzel, T., Pestka, D., & Choszcz, D. (2014). The prevalence and genetic characterization of Chlamydia psittaci from domestic and feral pigeons in Poland and the correlation between infection rate and incidence of pigeon circovirus. Poultry science, 93(12), 3009–3016.

[10]姚秋霞,张晓轩,陈凯,马剑刚,郑文斌,许小琴 朱兴全.(2017).吉林省鸽子鹦鹉热衣原体的分子流行病学调查和基因型分布研究.中国人兽共患病学报(02),104-109.

[11]Centers for Disease Control and Prevention.(2024).Causes, How It Spreads, and People at Increased Risk.

[12]Britannica, T. Editors of Encyclopaedia (2022). psittacosis. Encyclopedia Britannica.

[13]Thunyaharn, S., Sungsirin, N., Sukhapridasap, P., Kunyaboon, R., Saichanma, S., Kesakomol, P., & Boonsiri, T. (2021). Isolation of Cryptococcus neoformans from Pigeon Excreta in Nakhon Ratchasima College, Nakhon Ratchasima Province. Progress in Applied Science and Technology, 11(2), 6–9.

[14]沈斌 & 邱佳.(2023).28例免疫功能基本正常儿童肺隐球菌病的临床特征及流行病学调查. 中国妇幼保健(09),1664-1668.

[15]Wu, Y., Du, P.-C., Li, W.-G., & Lu, J.-X. (2012). Identification and Molecular Analysis of Pathogenic Yeasts in Droppings of Domestic Pigeons in Beijing, China. Mycopathologia, 174(3), 203–214.

[16]Kelin Yao, Xiaofang Qiu, Hongjie Hu, Yuxin Han, Wenming Zhang, Ruiming Xia, Liang Wang, & Jieming Fang. (2020). Pulmonary cryptococcosis coexisting with central type lung cancer in an immuocompetent patient: a case report and literature review. BMC Pulmonary Medicine, 20(1), 1–6.