id	keyword
american_scientific_journal-8632	wave
american_scientific_journal-8632	covid-19
american_scientific_journal-8632	deaths
american_scientific_journal-8632	number
american_scientific_journal-8632	model
american_scientific_journal-8632	mortality
american_scientific_journal-8632	parameters
american_scientific_journal-8632	seir
american_scientific_journal-8632	journal