The Globus family of brands has canceled all departure dates to the Middle East through August.
This includes Globus, Cosmos and Avalon Waterways itineraries. Trips to Qatar, Jordan, Dubai and Egypt are canceled.
"This decision allows guests ample time to adjust their travel plans while ensuring the highest level of care for their travel experience," Globus said in its announcement.
Affected guests are being contacted directly and are being offered the opportunity to rebook travel at a later date or receive a full refund.