The PM's spokesman said he has received oxygen treatment but has not yet had to be put on a ventilator.
The Edinburgh South MP quit the role in 2016 over disagreements with then Labour leader Jeremy Corbyn.
Many holiday plans are now likely to be in ruin after new Foreign Office travel advice was published.
Ian Murray was recently appointed as Labour's shadow Scotland secretary.
Justice minister Humza Yousaf said the young people have been in isolation.
The Prime Minister was taken into intensive care after his coronavirus symptoms worsened on Monday.
Foreign secretary Dominic Raab will now 'deputise' for the Prime Minister 'where necessary'.
The Scottish secretary thanked the armed forces after they airlifted patients from Orkney and Shetland.
Ministers have revealed new guidelines for the construction industry during the Covid-19 lockdown.
The Coronavirus (Scotland) Bill had been unanimously agreed to in Holyrood on Thursday.
The Prime Minister had a 'comfortable' night after being admitted with persistent Covid-19 symptoms.
The new Labour leader has called for the Scottish Parliament to get more powers part of a move to a federal system of government.
Jackie Baillie says nurses do not have the equipment they need to do the job during the pandemic.