According to information published by local newspaper El Sol, a woman from Concordia, Entre Ríos, is among those who have been hospitalised. She is currently being held in isolation at the Hospital Delicia Concepción Masvernat in the provincial city.
The woman, 44, recently returned to the province from a trip to Bologna, in northern Italy, and displayed symptoms compatible with the COVID-19 virus, reports said.
According to La Nacion, an additional six suspected cases are being monitored within Buenos Aires Province.
On Tuesday, the first case of the coronavirus was confirmed in Buenos Aires City. The man, 43, is being held at the Luis Agote Sanatorium, in the Buenos Aires neighborhood of Recoleta. He recently returned to the country from northern Italy.
Since Sunday, the City and National governments have instituted a new protocol put in place by their respective health ministries. The government is said to be monitoring high-risk individuals based on travel histories and previous contact with those showing symptoms, according to local agencies.
Carla Vizzoti, an official with the Health Ministry, underlined on Monday the importance of "early detection" of COVID-19. There have been 89,000 cases recorded worldwide and more than 3,000 deaths.
In neighbouring Chile, the Health Ministry confirmed the first case of coronavirus in the country on Tuesday. The patient is a 33-year-old man in the city of Talca, south of Santiago.