( Wall Street Journal ) – Nearly a week into a citywide lockdown to combat a Covid-19 outbreak, many of Shanghai’s 25 million residents turned to social media for help to get food, medicine or, if they are taken away for quarantine, advice on what to do with their pets. Cases continued to rise, and neighboring provinces were preparing to take some of the overflow of Shanghai residents needing to go into quarantine. Shanghai reported nearly 20,000 new local infections Wednesday compared with a little over 17,000 the previous day, according to the city’s health commission. Over 98% of the…