On February 25, 2020, the Central Epidemic Command Center (CECC) reported one more confirmed case of coronavirus disease 2019 (COVID-19). The patient (Case #31) is the grandson of Case #27 and son of Case #28. Case #31 visited Case #27 in the hospital on February 11 and February 19 but did not develop suspected symptoms. Samples of related contacts were collected on February 23. The patient tested positive for COVID-19 today and was admitted to a hospital isolation ward for further medical treatment, the CECC said.

With respect to this COVID-19 family cluster, a total of 580 contacts had been identified, of which 144 had tested. Of 144, four individuals tested positive (Cases #28, #29, #30 and #31), and 122 tested negative, with the remainder awaiting results, the CECC indicated today.