Blood plasma is a yellowish liquid that makes up about half of a person’s blood volume.
After a virus, this plasma contains antibodies that are used to help fight infection.
As Ms Wallace had Covid in March, she has coronavirus-fighting antibodies that could be useful in the fight against the pandemic.
5. Uma Thurman film happening in Oxford
This week it was revealed that a film production starring Uma Thurman was filmed in Oxford.
A cast and crew of about 150 people worked around the clock, filming at Exeter College, the Examination Schools and the Museum of Natural History for a production codenamed ‘Tailspin’.