I think "excess mortality" is probably the most helpful way to assess CV's impact given probs with death reporting, but worth noting it too is subject to errors. E.g. there is bound to be a reduction in non-CV communicable disease deaths because of lockdown/distancing measures https://twitter.com/SkyNews/status/1253756754527125504

A good thread on it here

https://twitter.com/helleringer143/status/1252580218432348162?s=19

Still, a very helpful metric