How long does it take for asymptomatic to turn negative?
Can it be measured every time?
Need treatment?
We have compiled the 10 questions you are most concerned about
Let’s see together!
Comprehensive from: Shangguan News Gu Yong, Shi Jiani, Huang Yangzi, Zhong Zhaoyu
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Editor: Ning Pingying
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[Source: Shanghai Xuhui]
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