Researchers have said the identification of these cells could help explain the high transmission rate of Covid-19.
The group is looking to cut costs by up to £450 million in 2020 to offset the coronavirus impact on civil aerospace.
P&O Cruises and Cunard have cancelled trips until at least the end of July.
The social media platform said it wanted to make it easier for people to back local firms during the coronavirus lockdown.
The Avenue Care Home in Fareham, Hampshire, created a video message for relatives unable to visit the complex.
Original black and white images have been brought to life in colour for the first time.
Sir David Jason, Michael Sheen, Joanna Lumley and Rita Ora sent messages to the Second World War veteran.
The closely watched IHS Markit/CIPS Flash UK composite purchasing managers’ index (PMI) plunged to its lowest ever reading in April.
Experts said the latest figures are welcome, but warned that many businesses are still missing out.
Police-recorded offences involving a knife or sharp instrument rose to 45,627 last year.
Dr Zahid Chauhan has also encouraged those with Covid-19 not to fast.
Intensive Care Unit nurses Luis Pitarma and Jenny McGee said it was ‘surreal’ to be looking at the Prime Minister during his treatment for coronavirus
Studies have shown mixed results over whether coverings offer any protection for healthy people.
It is currently not compulsory to wear a mask but the Government has said it is continuing to monitor the situation.
The company said it will resume activity on the majority of its sites in England and Wales from May 4.
The Prince of Wales has been photographed giving Prince Louis a hug.
The Competition and Markets Authority said it was ‘satisfied there are no competition concerns’ after its probe of the deal.