To date, more than 10.5 million people have been infected with the coronavirus worldwide, with over 513,000 fatalities.
AstraZeneca director Jorge Mazzei told reporters on Monday that if the vaccine works he believes the hard-hit South American nation will get it at the end of the year.
Brazilian President Jair Bolsonaro still downplays the risks of the virus after nearly 50,000 deaths from COVID-19 in three months.
COVID-19: Brazil's biggest cemetery to exhume graves to free up space as death toll surges past 41,000
The virus has so far killed almost 42,000 Brazilians, and Brazil passed the United Kingdom on Friday to become the country with the world's second highest death toll.
The news came as states and cities across Brazil start to ease restrictive measures introduced more than two months ago in hopes of limiting the spread of the coronavirus.
Brazil's last official numbers showed it had recorded over 34,000 deaths related to the coronavirus, the third-highest number in the world, just ahead of Italy.
That's equal to more than one death per minute, and means the country now has the world's third highest death toll.
The country's hardest hit major city per capita is in the Amazon, Manaus, where mass graves are filling up with bodies.
Egged on by Bolsonaro, who has routinely scoffed at both the virus and stay-at-home policies, Brazilians are heeding his call for revolt.
It's your fault: Brazil PM Jair Bolsonaro blames governors for COVID-19 crisis as tally nears 80,000
Addressing the media outside the Palacio de la Alvorada, Bolsonaro's official residence in Brasilia, he said that 'the invoice' of the deceased has to be sent to governors and mayors.
The latest figures according to Johns Hopkins University tracker gave a toll of 19,943 confirmed COVID-19 cases, with 1,074 deaths and 173 recoveries, so far.
The 15-year-old, the first Yanomami to be diagnosed with the virus, was hospitalized a week ago at an intensive care unit in Boa Vista, the capital of the northern state of Roraima, officials said.
In a letter to Mr Modi, Bolsanaro compared India's help and efforts in tackling the spread of COVID-19 to the efforts of Lord Hanuman in bringing Sanjeevani medicine from Himalayan mountains.
The forecast -- an official projection, the state government said -- would appear to put Brazil on track to become one of the worst-hit countries in the world.
Brazil coronavirus death toll inflated to 'serve political interests': Jair Bolsonaro questions tally
Sao Paulo has been hit harder by COVID-19 than anywhere else in Latin America so far, with 68 of the 92 deaths registered in Brazil, according to the federal health ministry.