The Omicron variant of the SARS-CoV-2 virus is extremely contagious and causing employees to call in sick in a widespread way. Although is has significantly less lethality that the Delta variant, it is far more contagious and causing a labor shortage.
The labor shortage is a consequence of the fact that a sick person should not be working, but also because of the quarantine requirement of a person who tests positive for this virus.
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The number of new Omicron viruses is increasing all over the world. This could be the reason for the labor shortage.