The two have been affected by the outbreak at the Pedn-Olva Hotel in St Ives, Bloomberg is reporting. The incident puts Mrs Merkel who is due to arrive in the UK at 11am, in a difficult position, especially given the tightness of security at the summit.
(More to follow)
However, a government spokesman insisted the fact that her bodyguards had been forced to quarantine would have no effect on her involvement in Carbis Bay.
Merkel wants to arrive in Cornwall, England, around noon.
In Berlin, on Thursday evening there was already talk that two members of the Chancellor’s advance security team had been staying at the affected hotel in St Ives.
The outbreak was detected in the hotel on Wednesday, after which it was then closed.
(Additional reporting by Monika Pallenberg)