CHENGDU - Chengdu, capital of southwest China's Sichuan province, reported one new domestically transmitted COVID-19 case on Monday, local authorities said.

Chengdu has activated an emergency plan, allocating 21 teams to conduct epidemiological investigations, carry out nucleic acid testing and disinfect the places visited by the patient

The patient, a 69-year-old woman surnamed Lu, visited a local hospital in Pidu district on Sunday after developing a cough. She tested positive for the coronavirus on Monday and was later diagnosed as a confirmed COVID-19 patient, the provincial health commission said.

ALSO READ: 3 local cases in Inner Mongolia among 15 fresh on mainland

Chengdu has activated an emergency plan, allocating 21 teams to conduct epidemiological investigations, carry out nucleic acid testing and disinfect the places visited by the patient.

Her close contacts have been placed under medical observation.  

All persons who visited the hospital from 8 am on Sunday to 8 am on Monday must get a coronavirus test immediately before Tuesday, the city's health authorities said.

READ MORE: Fever clinics prepare amid scattered COVID-19 cases

The order includes all patients, their companions, medical personnel and staff at the hospital, as well as anyone who visited the No 11 Group of Taiping village in Pidu district from Nov 23 to Sunday, the Pidu district epidemic prevention and control headquarters said.

Huang Zhiling contributed to this report