Illumina, Inc. provided revenue guidance for the first quarter and full year of 2021. For the quarter, the company expects revenue to be flat to slightly up compared first quarter of 2020. For the full year, the company expects recovery from the global pandemic to continue through the first half of the year and a return to normal by the second half of 2021. It expects revenue of $3.79 billion to $3.88 billion, representing approximately 17% to 20% growth. The guidance excludes GRAIL.