On April 27, the Central Epidemic Command Center (CECC) announced one new confirmed indigenous case of coronavirus disease 2019 (COVID-19) in Taiwan. The new case, Case #1111, is a family member of Case #1090 and the Indonesian pilot who had tested positive in Australia and lives with them.

Case #1111 is an Indonesian woman in her 40s with no recent history of international travel. She was tested for COVID-19 on April 21 and April 22, and the test results came back negative. She experienced a dry throat, pain all over her body, dizziness, and other symptoms on April 26. The health authority then arrange for her to seek medical attention and undergo testing. Infection with COVID-19 was laboratory-confirmed in the case on April 27 (the CT value was 22).

The CECC reported that a cumulative total of 204,833 cases related to COVID-19 have been reported in Taiwan among which COVID-19 has been ruled out in 202,612. Of these reported cases, infection with COVID-19 was laboratory-confirmed in 1110 cases. Of the 1110 confirmed cases, 984 are imported; 79 are indigenous; 36 are naval crew members aboard the Panshi fast combat support ship; 2 are infections on an aircraft; 1 case has unknown sources of infection; 8 cases' sources of infection are being investigated; and 1 case (Case #530) has been removed (Case #530 is not assigned to any patients). Of the confirmed cases, there have been 12 deaths, and 1050 patients have been released from isolation, with the other 48 patients remaining hospitalized in isolation.