Oh gloom it has started killing of branches of blackcurrant bush as well 
I think it is this:
http://www.omafra.gov.on.ca/english/crops/hort/news/hortmatt/2011/14hrt11a3.htm
What Coronavirus Quietly Taught Us (That We’re Already Forgetting)
Why Do We Ignore Small Health Signals Until They Become Big Problems?


