Head coach Bruce Cassidy said Monday that Olofsson (lower body) won't travel with the Golden Knights during their upcoming road trip, which begins Wednesday in Anaheim, Jesse Granger of The Athletic reports.
Olofsson (lower body) was placed on injured reserve Saturday, according to the NHL media site.
Olofsson (lower body) was labeled week-to-week by coach Bruce Cassidy on Monday.
Olofsson (lower body) won't play Saturday against Florida, according to Danny Webster of the Las Vegas Review-Journal.
Olofsson (lower body) is not in the lineup for Thursday's game versus the Lightning, per SinBin.vegas.
Olofsson scored two goals, including one on the power play, in Wednesday's 8-4 win over the Avalanche.
Olofsson signed a one-year, $1.075 million contract with Vegas on Tuesday, per PuckPedia.
Olofsson scored his fifth goal of the season in Wednesday's 2-1 overtime loss to the Maple Leafs.
Olofsson (illness) is expected to rejoin the Sabres on Sunday against the Hurricanes, Heather Engel of NHL.com reports.
Olofsson (illness) won't accompany the Sabres on the team's upcoming two-game road trip, Paul Hamilton of WGR Sports Radio 550 reports.