人一兴奋是不是有传染性的？
猩红热是有传染性的疾病。
梅毒皮疹是有传染性的。
这同样是一种传染性很强的病毒，并切有较高的致死率。
This is also a highly infectious virus and has a high fatality rate.
咳嗽了几周的孩子传染性有多高呢？
Just how infectious is that child whose cough hangs on for weeks?
麻疹是有高度传染性的疾病。
HD V有高度的传染性，及很强的致病力。
HDV infection having highly, and very strong with the result that disease dint.
你是最具传染性的第一个星期，你有疾病。
You are most contagious the first week you have the disease.
你是最具传染性的第一个星期，你有疾病。
You are most contagious the first week you have the disease.
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