Covid, China raises another wall. Mass testing and travel banned for 27 Guangzhou cases

Twenty-seven cases of Covid (9 of which asymptomatic) in a city of 18 million inhabitants. And another Chinese metropolis is back to “close”. After Shanghai it’s up to Guangzhou, a large manufacturing district in southern China, the largest airport in the northwest of Hong Kong, where, according to the health authorities, the new wave of Omicron is expanding which Beijing intends to tackle with very strict measures despite the number of positive (26,000,