这位医生注意到两种情况：1.初病轻，转阴，几月后再度中招，病较重；2.持续轻症数月，时阳时阴。提示：群免？呵呵

来源: fuz 于 2020-07-13 01:32:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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