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As worries over the new variant loom, many companies have withdrawn from presenting in-person at the event, planned both virtually and in-person, that begins on 5 January with over 2,200 exhibitors.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