(ANSA) - ROME, 14 JAN - In Italy on January 3, the Omicron variant was predominant, with a prevalence estimated at 81%, with a regional variability between 33% and 100%, while the Delta was 19% of the sample examined.
These are the definitive results of the rapid investigation conducted by the Higher Institute of Health and the Ministry of Health together with the regional laboratories and the Bruno Kessler Foundation.
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