At a news conference, Jedsada Chokdumrongsuk, permanent secretary at the Public Health Ministry, said the first four boys rescued, aged 12 to 16, are now able to eat normal food, though they can't yet take the spicy dishes favoured by many Thais.
On Sunday, four boys were brought out from the cave after being tethered to rescued divers.
Finally, on Tuesday, the "all-star" team of expert cave divers from at least six countries completed the mission once feared impossible, pulling to safety the last of the 12 young soccer players and their 25-year-old coach from the remote cave where they were marooned for more than two weeks. They were discovered 10 days later by two British divers, but a rescue had seemed all but impossible due to the necessity of swimming through water-filled passages. All have now been transferred to hospital.
When asked about his first reaction as he saw the first set of boys who were rescued he admitted that he was "very scared".
The final boy and the team's coach were brought out of the cave at 6:50 p.m. local time on Tuesday.
The rescue missions take almost half a day to complete. They were trapped in the cave that became flooded by monsoon rains while they were exploring it after a soccer practice on June 23.
Since the operation started, the area outside the cave's entrance has filled with media, volunteers and onlookers.
The final part of the operation to rescue a boys' football team from a cave in Thailand has begun.
Thai coach apologizes to parents as boys write they're OK
Worldwide rescuers team prepare to enter the cave where a young soccer team and their coach trapped by flood waters. Authorities have been racing to pump out water from the cave before more storms raise the water level again.
All eight boys rescued on the first two days are being treated in an isolation ward in a Chiang Rai hospital.
Using meditation techniques learned in a monastery where he grew up from the age of 10, Mr Chanthawong is credited with keeping the boys calm through the nine-day ordeal as they waited for rescuers to reach them.
"The 12 Wild Boars and coach have emerged from the cave and they are safe", the SEAL unit said on its official Facebook page.
A Reuters witness saw four people being carried out of the Tham Luang cave on stretchers separately on Tuesday, the third day of the rescue operation.
But it was also possible they were infection risks to others. He added that all of them were generally healthy and in good spirits, thanks to their "high immunity" from playing football.
In a gesture of kindness, English soccer giants Manchester United have invited the Thai soccer team to Old Trafford to watch them play in its upcoming season. Each of the rescued boys has been guided through the dark winding cave by a pair of divers.