Even so, all need to be monitored in the hospital for seven days and then rest at home for another 30 days, he said. Three of the boys are being treated for minor lung infections.
France were the first team to reach the final when they defeated Belgium on Wednesday morning AEST.
CNN was told the boys were exploring the caves on June 23 with their coach when they were trapped inside by heavy seasonal rains.
British divers found the 13, huddled on a muddy bank in a partly flooded chamber several kilometres inside the complex, on Monday last week.
The death of a former Thai Navy SEAL diver who ran out of oxygen in a flooded area of the cave on Friday underscored the dangers of the escape route.
Rescue chief Narongsak Osottanakorn told reporters today that the entire operation would not have been possible without the unique skills that Harris brought to the mission, though he did not elaborate.
Rescuers who re-started the operation on Tuesday faced a race against time and bad weather with fears of moonsoon rain. A person with knowledge of the rescue said just before the eleventh person was spotted, that 10 people had been brought out.
He added that everyone worked together without concerns about race or religion, as the goal was to save the young football team.
Yet initial reports suggest the eight boys, aged 12-16, were in good shape, despite spending more than a fortnight underground.
Rescue workers take out machines after 12 soccer players and their coach were rescued in Tham Luang cave complex in the northern province of Chiang Rai, Thailand, July 10, 2018.
According to a document released by the Thai authorities, the plan was that two divers would accompany each of the boys, who were being brought out in groups. But rescue officials were also anxious about dwindling oxygen levels in the cave. And the confidence of the diving team, and expertise specific to the cave, grew after its first successful mission Sunday.
A Thai health official said earlier Wednesday that the soccer teammates had lost weight during their two-week ordeal, but had water while they were trapped and remained in good health. They were able to obtain water dripping inside the cave.
They also said counselling would be needed to deal with the psychological trauma of spending so long not knowing whether they were going to survive.