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16:39, 17-Jul-2022
WHO: Omicron sub-variants fueling global surge in cases
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The World Health Organization says sub-variants of Omicron, like BA.4 and BA.5, continue to drive waves of cases, hospitalization and death around the world. CGTN talked to Dr Alice Hyun-Kyung Tan, a doctor of Internal Medicine at MizMedi Women's Hospital in Seoul. She gave her opinion on the effectiveness of the current vaccines.
