In Italy, median age of people who have died of Corona is 83 for women and 79 for men [1]. Normal life expectancy is lower than that in the United States [2]. Lockdown measures will have severe impact on GDP, and GDP is correlated with life expectancy [3].
It can easily happen that by killing economy in order to save lives, we may actually be doing the opposite in the long term.
[1] https://www.iss.it/web/guest//comunicati-stampa/-/asset_publ...
[2] https://en.wikipedia.org/wiki/List_of_countries_by_life_expe...
[3] https://ourworldindata.org/grapher/life-expectancy-vs-gdp-pe...