如果花粉是通过呼吸道，比如通过鼻腔进入体内，可能会导致过敏性鼻炎，如果进入支气管，可能会引起支气管痉挛。症状包括阵发性喷嚏、流鼻涕、鼻塞、鼻痒、呼吸困难、呼吸不畅等。

Cosmo Metals (ASX:CMO) has completed technical, commercial, and legal due diligence on the acquisition of the Bingara and Nundle gold-antimony and copper exploration projects in New South Wales. Cosmo ...