Employers added a lackluster 199,000 jobs last month — significantly lower than economists’ expectations — and the unemployment rate fell to 3.9%, the Department of Labor said Friday.

Hiring in December was even less than the revised figure for the previous month, when 249,000 jobs were added to the economy in November. The stalled job growth comes as new coronavirus variants continue to sow uncertainty and threaten the post-pandemic economic recovery.

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