refresh_covidregionaldata_usa: Get daily USA COVID-19 count data by state.
Description
Fetches COVID-19 count data, stratified by date and region.
Data sourced from https://raw.githubusercontent.com/nytimes/covid-19-data/master/us-states.csv.
Usage
refresh_covidregionaldata_usa()
Value
A tibble of COVID cases by state in USA