BEIJING — China on Sunday announced its first new death from COVID-19 in nearly half a year as strict new measures are imposed in Beijing and across the country to ward against new outbreaks. The death of the 87-year-old Beijing man was the first reported by the National Health Commission since May 26, bringing the total death toll to 5,227. The previous death was reported in Shanghai, which underwent a major springtime surge in cases. Advertisement China on Sunday announced 24,215 new cases detected over the previous 24 hours, the vast majority of them asymptomatic. A man lowers his mask…