The western part of Shanghai, China's financial and business hub, began to be locked down Friday to carry out mass COVID-19 testing, as new infections with the novel coronavirus has been resurging recently.Across the mainland, 7,229 people were confirmed to be infected with the virus on Thursday, while 4,502 new cases were recorded on the same day in Shanghai, with a population of around 24.9 million, according to Chinese health authorities.China said it would lock down each half of Shanghai to minimize the impact on business activities. The lockdown in the eastern area was lifted on Friday…READ FULL ARTICLE