The content originally appeared on: CNN Hong Kong (CNN)Millions of people across China's locked-down financial hub of Shanghai have been desperately seeking medical care and basic supplies like food. Parents have been forcibly separated from young children infected with Covid-19. And public anger is mounting, with no end in sight as China clamps down. Since March, China has battled its biggest Covid wave yet, with Shanghai now the largest hotspot. All 25 million residents are under lockdown, with national health […]