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World Health Organization officials are holding a press conference on Friday to update the public on the coronavirus outbreak that has infected more than 88.2 million people worldwide as governments run to roll out vaccines.
The briefing comes as the United States reported on its deadliest day of the pandemic, with more than 4,000 people dying in one day. Around the world, governments that secure doses of the vaccines produced by Moderna and Pfizer-BioNTech are running to administer shots as fast as they can.
WHO officials and immunologists around the world are closely monitoring the virus' genomic sequence. as new varieties spread in some parts of the world. A strain first discovered in the UK has spread to the United States and other countries, although it has not yet finally gained ground outside the UK
Another strain first discovered in South Africa are concerned experts because vaccines and Certain 1
Read CNBC's live updates to see the latest news on the Covid-19 eruption.