The primary risk factors of economic recessions take years. Most cancers take years to kill people. The effect of unemployment on suicide peaks at around 2.5 years of unemployment [0]. I think that we're going to have an economic downturn with repercussions that will last long after a SARS-CoV-2 vaccine exists. I also think the ends currently justify the means, but that's just a gut feeling I've got.

[0] Milner, Allison et al. “Long-term unemployment and suicide: a systematic review and meta-analysis.” PloS one vol. 8,1 (2013): e51333. doi:10.1371/journal.pone.0051333