Business Insider reports long-term care facility residents and workers make up one-third of US coronavirus deaths.
And in about a dozen states, they account for more than half of all deaths from the virus.
Prior estimates suggested COVID-19 deaths related to nursing homes made up about 20% of total US deaths.
Tight quarters and overburdened staff also add to the problem.
Nursing homes have been considered "death pits" during coronavirus due to residents' age and underlying conditions.
