I hope that the revised figure is right .Was it the Imperial College London study published two days ago predicting 250,000 deaths in the UK that you were referring to,Iains? I was going to post a link but see that it's been taken down.

The New York Post is quoting a limited study in China suggesting that people with A blood types are more susceptible to the virus and more likely to die if they do catch it:
The study also examined 206 patients who died from the virus, finding 85 victims, or 41.26 percent, had type A blood. Just 52 of the deaths, or about a quarter, had type O

https://nypost.com/2020/03/17/people-with-blood-type-a-might-be-more-susceptible-to-coronavirus-study-finds/?fbclid=IwAR3cpfn6JwqAaelC2kMdXaXwJdDi42Dw9bGBcygfZhPSdWxEe5HVfM9GgGk