A total of 442 medical workers left South China's Guangdong province for Central China's Hubei province on Sunday to help with the battle against the novel coronavirus epidemic.
Guangdong has so far sent 1,180 medical workers to Hubei, the epicenter of the outbreak in China.
Members of the latest team come from all 21 prefecture-level cities in Guangdong.
Their hospitals received the call for more medical forces on Saturday night and started to organize teams and prepare supplies.
The Third Affiliated Hospital of Sun Yat-sen University alone dispatched 133 medical workers.