上海为何实施高频率核酸检测？专家解释来了   2022-04-18

 

Nucleic acid testing has become a key part of the daily life of Shanghai citizens.Since the COVID-19 resurgence in early March, many locals have been accustomed to lining up with neighbors to receive polymerase chain reaction (PCR) testing.Many citizens have questioned whether such repeated testing is necessary since they've tested negative multiple times.

 

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