id	keyword
cord-174036-b3frnfr7	infection
cord-174036-b3frnfr7	models
cord-174036-b3frnfr7	city
cord-174036-b3frnfr7	time
cord-174036-b3frnfr7	individuals
cord-174036-b3frnfr7	covid-19
cord-174036-b3frnfr7	diffusion
cord-174036-b3frnfr7	heterogeneity
cord-174036-b3frnfr7	network
cord-174036-b3frnfr7	disease
cord-174036-b3frnfr7	days
