Argentina registered 168 deaths and 6,792 infections with coronavirus on Tuesday, two record figures for a single day.
The Health Ministry said the daily highs had pushed the overall death toll to 3,979, with confirmed cases now totalling 213,522.
"The pandemic has not ended, we must be careful," President Alberto Fernández said in response the statistics, during an interview with the C5N news channel.
According to Health Ministry data, 94,129 individuals who tested positive for Covid-19 have recovered.
Argentina exceeded 200,000 cases on Sunday, with a clear surge seen in coronavirus numbers since the end of June.
On Monday, the government responded to the increase with a decree banning social gatherings nationwide until August 16.
Residents in the Buenos Aires metropolitan area have now spent more than 138 days under lockdown, though some businesses have been granted permission to re-start activity and re-open their doors. Children have also been granted permission to leave their homes for recreational outings, while residents are also allowed out for exercise, though with limitations on hours.
In most of Argentina's 23 provinces, more flexible measures have been applied, with more than 90 percent of all cases concentrated in the AMBA region. In recent weeks, however, cases have also risen in Jujuy Province and Córdoba Province.
The occupation of intensive care beds in the AMBA region has also risen The Health Ministry said bed occupancy had risen to 66.4 percent as of Tuesday.