id	keyword
cord-273429-dl6z8x9h	model
cord-273429-dl6z8x9h	quarantine
cord-273429-dl6z8x9h	data
cord-273429-dl6z8x9h	figure
cord-273429-dl6z8x9h	rate
cord-273429-dl6z8x9h	covid-19
cord-273429-dl6z8x9h	countries
cord-273429-dl6z8x9h	spread
cord-273429-dl6z8x9h	population
cord-273429-dl6z8x9h	states
