Under Pazuello, the health ministry decided to release reserves of second doses to be administered as first doses, in a bid to accelerate Brazil's vaccination campaign.
Surges in Brazil and Canada also highlighted the persistent threat of the pandemic, with the Covid-19 death toll approaching 3.2 million even as many nations ramp up vaccination drives.
Japan has had far fewer COVID-19 cases than many other major economies, but concerns about a new wave of infections are rising fast, according to their responses in the poll.
In Mexico, the peso is likely to appreciate 1% in one year to 20.32 per US dollar. However, the 12-month outlook for the currency also worsened significantly from March's poll, as investors remain nervous.