Rio De Janerio, Brazil said it registered 59,961 new COVID-19 cases in the previous 24 hours, its second-highest one-day increase.
A day earlier, it reported a record 67,860 new cases in a single day.
The latest new cases took the country's total caseload to 2,287,475, the Health Ministry said, Xinhua news agency reported on Thursday.
In the same 24-hour period, 1,311 more patients died of the disease, taking the death toll to 84,082.
Brazil has the world's second-largest outbreak, after the United States, in both numbers of cases and deaths.
Southeast Sao Paulo state, Brazil's most heavily populated, is the epicenter of the national outbreak, with 452,007 cases and 20,894 deaths, followed by Rio de Janeiro, with 151,549 cases and 12,535 deaths, and Ceara, with 156,242 cases and 7,374 deaths.