On March 19 The Ministry of Health in Argentina confirmed 31 new coronavirus cases in the City of Buenos Aires ( 8 ) , Buenos Aires Province ( 15 ) , Córdoba ( 3 ) , Chaco ( 2 ) , Tucumán ( 1 ) , Santa Fe ( 1 ) and Río Negro ( 1 ) , bringing the total to 128 .
Tierra del Fuego was put on lockdown later that day , becoming the first province to do so.17 March : The Ministry of Health confirmed fourteen new cases in the City of Buenos Aires ( 4 ) , Buenos Aires Province ( 2 ) , Córdoba ( 2 ) , Chaco ( 1 ) , Jujuy ( 1 ) , Río Negro ( 1 ) , Salta ( 1 ) , Entre Ríos ( 1 ) and Santa Cruz ( 1 ) , bringing the total to 79.18 March : 19 new cases were confirmed in the City of Buenos Aires ( 10 ) , Buenos Aires Province ( 6 ) , Chaco ( 1 ) , Córdoba ( 1 ) and Entre Ríos ( 1 ) , and one case of the 14 reported the day before was reclassified , bringing the total to 97 .