Largest number of Omicron cases from US at 12 infections

Of 12 Omicron cases imported into Taiwan in December, 7 mildly ill, 5 asymptomatic

New cases arrived from Ethiopia, Indonesia, Vietnam, US, India, South Korea

4 out of 6 breakthrough cases reported on Tuesday inoculated with Chinese vaccines

Taiwan also sees 1st breakthrough case in person fully vaccinated with both AZ, BNT

Wearing masks will still be required in some locations, says Central Epidemic Command Center