WATCH: Al Roker works up a sweat inside his impressive home gym
"Last week I was admitted to the hospital with a blood clot in my leg which sent some clots into my lungs. After some medical whack-a-mole, I am so fortunate to be getting terrific medical care and on the way to recovery. Thanks for all the well wishes and prayers and hope to see you soon. Have a great weekend, everyone," he captioned a picture of a bouquet of flowers on Instagram.
"Al Roker-- hurry back to us... counting the days xoxoxo," Hoda commented., while Savannah added: "You’re the strongest person we know. We miss you and will see you soon!!"
Al's wife Deborah Roberts also shared how "grateful" she was "for the top notch medical care and prayer warriors from every corner".
'We love you dearly sweet Al and can’t wait to get you home," she added.
Dylan Dreyer and Craig Melvin were also among those to share their prayers.
For the past week, the NBC host has been missing from the program, but on Monday he made a surprise appearance alongside Hoda Kotb at the start of Monday's show, in a pre-recorded video segment dedicated to conquering stress.
Al, Hoda and several Today staffers went to visit New York City's Frequency Breathwork, to do a breathing class to help find their inner calm.
Al and Deborah visited Europe
Al's diagnosis also comes after he and wife Deborah visited Europe for a long-awaited vacation was a great way for them to reconnect, and Deborah remarked on how much it meant to them.
The news anchors shared on social media that they had boarded the Venice-Simplon Orient Express that took them around the continent in the most luxurious fashion. The couple seemingly boarded the train from Istanbul and have already made their way through Turkey and Hungary, stopping over for a day in Budapest.
Alongside a snapshot of her stepping into the train for their first leg, Deborah wrote: "Sunday. Stepping back in time. Basking in old world travel and glamor aboard the Orient Express.
"What an absolute dream to travel through Eastern Europe with strangers who're becoming cabin mates and friends on this elegant journey on a train which began in the 19th century and now makes this journey once a year. After waiting 3 years we are now blazing this magnificent trail! Beyond cool and exciting."