Brazil temporarily suspended the dengue vaccination campaign it began in January, after detecting two deaths and several cases of serious adverse reactions. The vaccine, the world's first single-dose shot, was developed by the Butantan Institute in São Paulo and had already been given to half a million people through the public health system. Health authorities stressed that there is not yet enough data to link the deaths to the product and that the interruption is a preventive measure.

The Paris Court of Appeals on Thursday found Air France and Airbus guilty of manslaughter in connection with the crash of flight AF447, which plunged into the Atlantic Ocean on 1 June 2009 on the Rio de Janeiro–Paris route with a death toll of 228 people. The ruling overturns the April 2023 decision in which both companies had been acquitted, and finds the airline and the manufacturer "solely and entirely responsible" for the disaster, according to the BBC news agency. Both Air France and Airbus rejected the charges and announced they would appeal.

Brazilian financial markets posted one of their best sessions of the year on Monday after President Donald Trump announced a five-day postponement of strikes against Iran's energy infrastructure, citing “productive conversations” with Tehran.

The Constitution, Justice and Citizenship Committee (CCJ) of Brazil's Chamber of Deputies approved on Wednesday, by 44 votes to 18, the constitutional amendment proposal seeking to reduce the age of criminal responsibility from 18 to 16. The approval, however, is only the first step in a long process before the measure could become law.

The São Paulo stock exchange reversed its losses in the final minutes of trading and closed Tuesday with a slight gain of 0.05%, lifted by President Donald Trump's statement that he is in "heated negotiations" with Iran just hours before his ultimatum for the reopening of the Strait of Hormuz expired.

Brazil’s Congress on Tuesday promulgated the trade agreement between Mercosur and the European Union, completing the final domestic step required for the treaty to take effect on the Brazilian side. The ceremony was led by Senate and Congress President Davi Alcolumbre, who framed the pact as a sign in favor of trade, stability and integration at a time of wars and commercial tensions.

UK Foreign Secretary Yvette Cooper and Brazil Minister of Foreign Affairs Mauro Vieira signed the UK–Brazil Strategic Partnership 2026 to 2030 on 26 March 2026, at Cernay-la-Ville.

The presidents of Brazil, Luiz Inácio Lula da Silva, and Paraguay, Santiago Peña, agreed on Sunday in Campo Grande to intensify negotiations over Annex C of the Itaipú treaty, the instrument that governs the financial terms and energy sales of the binational hydroelectric dam, one of the largest in the world.

Annual inflation in Brazil accelerated to 4.14% in March, pushed higher by rising fuel and food prices, the Brazilian Institute of Geography and Statistics (IBGE) reported on Friday. The figure reverses the slowdown recorded in February, when the index had eased to 3.81%.

Brazil consolidated its position as South America's leading defense spender during 2025, with a military budget of approximately USD 23.9 billion and a 13% year-on-year increase, while Uruguay recorded one of the steepest relative rises in the region, according to the annual report of the Stockholm International Peace Research Institute (SIPRI) released on Saturday. The region as a whole increased its military spending by 3.4% compared with 2024, in line with a global trend of armed forces modernization, open conflicts, and growing geopolitical tensions.

Former Brazilian President Jair Bolsonaro returned to his home in Brasilia on Friday after being discharged from hospital following a two-week stay for acute bilateral pneumonia. Bolsonaro, 71, will serve at least 90 days of his 27-year prison sentence under house arrest, following a decision by Supreme Court Justice Alexandre de Moraes.

Brazilian President Luiz Inácio Lula da Silva has canceled a planned trip to Chile to attend José Antonio Kast’s inauguration on Wednesday and will instead be represented at the ceremony by Foreign Minister Mauro Vieira. Brazilian officials said the change was due to “scheduling reasons.”