What continuous state can you find long-term in an asymptomatic infected baby? Similar to adults? After a positive result, how much time does it take to get back into contact with adults? / 请问无症状感染者为婴儿时的病症持续情况是什么样?和成 年感染者类似吗?在检测结果为阳性之后大概需要多久才可以与成年人接触?