On May 15, the Central Epidemic Command Center (CECC) announced that in response to continued severity of COVID-19 in Taiwan and an increasing level of community transmission, shown by cases of unknown sources of infection as well as cluster infections in Taipei City and New Taipei City, it would raise the epidemic warning level for the two cities to Level 3 and would strengthen related measures, effective from today to May 28. Related restrictions and measures are listed below.