Brazilian President Jair Bolsonaro fired a Health Ministry official on Wednesday after a newspaper reported that the official asked for a bribe in a vaccine deal.

Anger is mounting in Brazil over missed opportunities to buy coronavirus vaccines, especially that over half a million COVID-19 deaths and more new cases are registered daily.

A Senate investigation has unearthed alleged corruption in the vaccine procurement drive, triggering new calls for Bolsonaro’s impeachment.

On Tuesday, Brazil suspended a contract worth 1.6 billion reais ($321 million) for a vaccine from India’s Bharat Biotech, following allegations of undue pressure within the ministry. Bharat and the government have denied wrongdoing