STOCKHOLM, July 20 (Xinhua) -- Europe is engulfed by a new COVID-19 wave as the number of new infections has tripled in six weeks, the Stockholm-based European Centre for Disease Prevention and Control (ECDC) said on Wednesday.
The wave is mainly driven by the Omicron subvariants BA.4 and BA.5, which account for 80 percent of the total infections in Europe right now, Agoritsa Baka, a senior ECDC expert, told Swedish Television.
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