"Our results are important in this context because they show that being able to spend time outdoors under conditions of lockdown has a beneficial impact on psychological well being," said co-lead author Viren Swami, Professor of Social Psychology at Anglia Ruskin University.
In a statement, the Ministry also said that distance learning will remain available as an option until the end of the school year.
Seven other countries risked less extreme but "potentially dangerous" warm weather: Belgium, Estonia, Finland, Latvia, the Netherlands, Portugal and Sweden, it said.
The Nobel Peace Prize winner also became part of the popular YouTube lineup where stars such as Beyonce, Lady Gaga, Justin Timberlake, Alicia Keys, Shawn Mendes, Katy Perry and Taylor Swift hailed the class of 2020 on this outstanding achievement.
Dr Sultan said a few weeks ago, 400-500 cases were being reported across Pakistan on a daily basis. The tally, he said, had shot up to 700-750 cases of the infection per day.
Of the almost 2,000 samples, only 12 had antibodies, said Reinhard Berner from the University Hospital of Dresden, adding the first results gave no evidence that school children play a role in spreading the virus particularly quickly.
Sheikh Ahmed Bin Saeed Al Maktoum, Emirates Chairman and Chief Executive, said: “I would like to thank His Highness Sheikh Mohammed Bin Rashid Al Maktoum and Sheikh Hamdan Bin Mohammed for their latest directives to reopen air travel which show their vision for Dubai as a world leader in business and tourism.”
Some schools were opened last week and a further 150,000 junior high students went back to the classroom on Monday as further restrictions were loosened by the government.
Excited children greeted their friends and weary parents got used to early starts again as schools in several European countries reopened after a nearly two-month coronavirus break.