Donated £20! Wish I had the money to donate more.
Looked at the donation summary below (very bottom of the page), and it seems that we have raised:
£11,957.05 + £1,141.25 Gift Aid = £13,098.30
https://www.justgiving.com/fundraising/ukmecfsbiobank
That's almost £14,000 of the £15,000 target!