Yes although the vaccine was given first to the most vulnerable people (ie more likely to die from other things) so this still doesn't give a clear sense of the

Yes although the vaccine was given first to the most vulnerable people (ie more likely to die from other things) so this still doesn't give a clear sense of the improvement. No one is doubting the effectiveness of vaccines (ok a bunch of idiots, but not me) but this isn't the most helpful stat to assess the relative improvement.