On January 4, the Central Epidemic Command Center (CECC) announced 34 new confirmed cases of coronavirus disease 2019 (COVID-19) in Taiwan. Of those cases, four are domestic (Case #17230 and Cases #17238-17240) and the other 30 are imported. Case #17230 is the domestic case announced on January 3. The CECC announced no deaths today.

Cases #17238-17240 are one man and two women in their 50s. They had previously received two doses of COVID-19 vaccine and come into contact with Case #17230. Case #17238 and Case #17239 are coworkers at the same workplace and take the same shuttle bus to commute. Case #17239 developed fatigue, coughing, and a runny nose on January 1. Case #17240 is a quarantine taxi driver, and the case developed coughing on January 1. Health authorities arranged for the three individuals to be tested. Infection with COVID-19 was laboratory-confirmed in the cases on January 4.

Regarding the 30 new imported cases, they are 16 men and 14 women, aged between under five to 79 years old. 29 of them arrived in Taiwan from the US (22 cases), France, Norway, South Africa, the United Arab Emirates, the UK, Poland, Uzbekistan, and the country where the other case arrived is being investigated. They all arrived between November 20, 2021 and January 3, 2022.

The CECC reported that a total of 4,998,949 cases related to COVID-19 have been reported in Taiwan among which COVID-19 has been ruled out in 4,979,641. Of these reported cases, infection with COVID-19 was laboratory-confirmed in 17,129 cases. Of the 17,129 confirmed cases, 2,469 are imported; 14,606 are domestic; 36 are naval crew members aboard the Panshi fast combat support ship; 3 are infections on an aircraft; 1 case has unknown sources of infection; 14 cases' sources of infection are being investigated, and a cumulative total of 111 cases have been removed from the list of confirmed cases. There have been a cumulative total of 850 COVID-19 deaths since 2020; of the 850 deaths, 838 are from domestic cases and the other 12 are from imported cases.