https://www.cdc.gov/coronavirus/2019-ncov/your-health/quarantine-isolation.html
BTW,我不认同。下面这条我符合:
Ending isolation if you had symptoms
End isolation after 5 full days if you are fever-free for 24 hours (without the use of fever-reducing medication) and your symptoms are improving.
要这样的话,我从有症状开始只要隔离7天就行了。我昨天是第9天,抗原测试还是强阳性。