類型: 連結
作者: Reuters
出處: Reuters
連結: https://www.reuters.com/business/healthcare-pharmaceuticals/omicron-sub-variants-ba4-ba5-make-up-more-than-50-us-covid-cases-cdc-2022-06-28/
Omicron sub-variants BA.4, BA.5 make up more than 50% of U.S. COVID cases – CDC
