Spread of Delta strain proves China cannot let its guard down

Fears about the Delta variant of the coronavirus sparking a new global wave have proven accurate, and it is rapidly becoming the dominant strain of the disease. Mainland China, despite its admirable record of warding off infections, is now battling the mutation, with hundreds of cases in Nanjing and an increasing roster of towns and cities in at least seven provinces.Prevention and control measures that have been working so well have developed weaknesses and authorities have called for their…

Read the original article at South China Morning Post