The causes of leukaemia can be genetic, radiation, some chemicals or a certain type of virus (HTLV).
I have never heard of it being caused by compost, so I don't think there is a need to worry about the compost unless you have a compromised immune system - if you have a worry about Legionella then wear a face mask as advised.
World Class Museums - why are they free to everyone?
Another attempt by Trump to end the war with Iran


