Lawyers and human-rights activists warn Brazil is seeing a surge in legal and extra-legal moves to stifle dissent against Bolsonaro, in some cases with legislation and tactics dating back to the country's 1964-1985 military dictatorship -- for which the president is openly nostalgic.
Tuesday's $1 billion sale, taking central bank intervention since Thursday to over $4 billion, came as pressure on Brazilian assets intensified after President Jair Bolsonaro eliminated certain fuel taxes and increased a tax on banks.
There's a (market) crisis of confidence in the government, and we have negative rates.
The poll was conducted between Thursday and Saturday last week and would thus partially include reaction to Bolsonaro's Friday decision to install a retired general with no oil and gas experience as chief executive of state oil company Petroleo Brasileiro SA.
Anvisa, which has stipulated an efficacy rate of at least 50% for vaccines in the pandemic, has already pressed Butantan for more details of its study, after it filed for emergency use authorization on Friday.