A surge in deaths from the Covid-19 pandemic created the largest gap between the actual and expected death rate in 2020 — what epidemiologists call "excess deaths," or deaths above normal.
Aside from fatalities directly attributed to Covid-19, some excess deaths last year were most likely undercounts of the virus or misdiagnoses, or indirectly related to the pandemic otherwise. Preliminary federal data show that overdose deaths have also surged during the pandemic.
