The Chinese financial hub of Shanghai recorded 39 new deaths among its COVID-19 patients on April 23, up from 12 the day before, according to the local authorities.

The city also recorded 19,657 new local asymptomatic coronavirus cases, down from 20,634 a day earlier. The number of confirmed symptomatic infections stood at 1,401, also down from 2,736 the previous day.

Shanghai is currently battling China’s biggest-ever COVID-19 outbreak.