Brazilian broadcaster GloboNews on Monday reported that Brazil received more than 5 million doses of Pfizer vaccines, the largest one-day delivery since the supplies began in April.

Four planes landed at the Viracopos airport in Sao Paulo on Sunday, carrying 5.1 million doses of the Pfizer vaccine, bringing the total of the jabs delivered to Brazil to 72.5 million.

By the end of September, Pfizer is to complete its 100 million shots shipment to Brazil as agreed in March 2021.

Under the second agreement between the Brazilian government and Pfizer, reached in May, the company is set to send another 100 million vaccines from October to December.

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In Brazil, 65 percent of the population has received at least one dose of a vaccine, with 34 percent fully vaccinated.

The progress of the immunization campaign resulted in a 30 percent drop in COVID-19 related deaths compared with the fatality rate two weeks earlier