(Fighting against New Coronary Pneumonia) Taiwan's First Omicron Variant BA.4 and BA.5 Infections China News Agency, Taipei, June 13. Taiwan reported on the 13th that 5 new cases of imported Omicron variant BA.4 and BA.5 infections were imported. The Taiwanese authorities' Epidemic Epidemic Command Center announced on the 13th that Omicron BA.4 and BA.5 variants were detected in imported cas