Only a minority of the clots caused death, and as there is treatment for them and we know what to look for, it should be considerably less risky. 'The data' is

Only a minority of the clots caused death, and as there is treatment for them and we know what to look for, it should be considerably less risky. 'The data' is available for you out there on Google. The calculus the public health officials are making I think is reasonable.