. >> reporter: from here in hong kong the epicenter of chien covid's latest surge is right behind me.kyline is in guangdong province and doctors on state-run media have been warning the delta variant makes patients sicker faster. from swabs to jabs, china is racing too stayy aheaead o of t fastst-spreadingng delta s stra covid. some people lining up for miles to get vaccinated in guangzhou, capital of china's southeast guangdong province. an estimated 150,000 residents are still under lockdown. with workers in hazmat suits delivering them food and disinfecting the streets. in three days health workers tested nearly the entire population of about 19 million. the epidemic in guangzhou is an unprecedented opponent and requires our resolve, said the deputy director of guangdong center for disease control. the delta variant of covid first emerged in india this spring. 3,500 people are still dying on average each day. the most of any country in the world. according to the "new york times." and the strain is now the most common in the united kingdom. but there is some good news today. chines