Key Points Question Is there an association between extreme heat and all-cause mortality in the US? Findings In this cross-sectional study using a longitudinal analysis of county-level monthly all-cause mortality… Click to show full abstract
Key Points Question Is there an association between extreme heat and all-cause mortality in the US? Findings In this cross-sectional study using a longitudinal analysis of county-level monthly all-cause mortality rates from all counties in the contiguous US from 2008 to 2017, each additional extreme heat day in a month was associated with 0.07 additional death per 100 000 adults. Meaning These findings suggest that from 2008 to 2017 in the contiguous US, extreme heat was associated with higher adult all-cause mortality rates.
               
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