CES will now end a day earlier than planned, the organizer of the global technology and gadget show said, after companies including Amazon.com Inc and General Motors Co dropped out of attending the Las Vegas event in person due to Omicron concerns.

"The step was taken as an additional safety measure to the current health protocols that have been put in place for CES," the event organizer Consumer Technology Association (CTA) said, announcing the event will now end on Jan. 7.

The spread of the highly transmissible Omicron variant has led to a sharp jump in COVID-19 infections across the world, making many reconsider their travel plans and leading to thousands of flight cancellations.

The number of new COVID-19 cases in the US has doubled in eight days to a record high of 329,000 a day on average, according to a Reuters tally.

• Google, Lenovo join Consumer Electronics Show exodus
• Facebook, Twitter, drop CES plans over Omicron variant concerns

As worries over the new variant loom, many companies have withdrawn from presenting in-person at the event, planned both virtually and in-person, that begins on Jan.5 with over 2,200 exhibitors.

Over the last few days, a host of firms including Advanced Micro Devices, Proctor & Gamble, Alphabet Inc's Google, Facebook parent Meta Platforms have also dropped their in-person plans.

Sony Group's Sony Electronics has said it will have limited staffing and attendees at the event.

All attendees in Las Vegas will be required to be fully vaccinated and masked. COVID-19 test kits will also be provided at the venue, according to CTA's statement.

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