Mike Lee is 49 years old and FLOTUS is 50 years old, which means they have a 99.5% chance of surviving. In contrast, POTUS is 74 years old, which means he only has a 94.6% chance of surviving. All-in-all, something tells me they’ll be just fine.
https://www.cdc.gov/coronavirus/2019-ncov/hcp/planning-scenarios.html