�。颊綜OVID-19 is a novel coronavirus that is highly infectious, especially in crowded places and relatively confined spaces, and has a long incubation period and unclear symptoms, making it difficult for some patients to identify the disease. 

【文章頁(yè)數(shù)】：6 頁(yè)

【文章目錄】：
Necessity of developing guidelines on coronavirus prevention and control in office building
Main content of the association standard
Playing a role in the fight against COVID-19
Outlook



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