英语语法分析

A skin lesion at the site of the bite is one of the first signs of infection followed by potential neurological, cardiac, and rheumatological complications upon entering the bloodstream.

被咬伤部位的皮损为被感染的早期症状之一，随后出现潜在的神经系统、心血管系统、风湿系统并发症，最后进入血液。