Source: China – South China Morning PostIn southern China, just days after Guangdong province managed to subdue a Covid-19 outbreak caused by the Delta variant in late May, a Shenzhen airport worker caught the highly transmissible strain.A new cluster emerged, with six locally transmitted cases found in Shenzhen and Dongguan, all traced back to the airport worker who tested positive on June 14.On Wednesday, a government health adviser told local media that authorities are now engaged in “hand-to-hand combat” with the transmission…Read More