The number of new daily infections in the US has more than doubled over the past two weeks [File: Richard Vogel/US] New cases of COVID-19 in the United States have soared to their highest level on record, largely driven by the highly contagious Omicron coronavirus variant .
Australia also hit a new record on Thursday as it narrowed its definition of close contacts of coronavirus cases and relaxed requirements for COVID-19 tests, in a bid to relieve pressure on testing sites.
Meanwhile, the World Health Organization warned that the Omicron and Delta variants could produce a “tsunami” of COVID-19 cases that […]
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