Even during the Spanish Flu which killed 50 million people worldwide we still had a National Election

This isn't the first time hundreds of thousands of Americans died in a Pandemic.

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https://www.cnn.com/2020/07/30/opinions/trump-american-presidential-election-brinkley-opinion/index.html

Opinion by Douglas Brinkley

Updated 3:28 PM ET, Thu July 30, 2020 

Then came the Spanish Flu pandemic of 1918, which killed some 50 million people worldwide, including 675,000 Americans. It was one of the most disruptive disasters in modern history, forcing the closure of churches, schools, amusements and even federal courts -- but not voting booths.