More than 30 COVID-19 cases in Shanghai have been traced to two cluster infections at a downtown shopping mall and a beauty salon, according to the Shanghai Health Commission.

The Suning.com Wujiaochang store on 585 Handan Road in Yangpu District became a medium-risk area on Friday after two positive cases there.

The Red Rose Beauty Parlor at 1352 Huaihai Road M. in Xuhui District was rated as medium-risk on Thursday after three employees tested positive.