Juan Carlos Zevallos is latest government official in South America to resign over coronavirus vaccine scandals.
Juan Carlos Zevallos is latest government official in South America to resign over coronavirus vaccine scandals.
More than 20 million people across the United Kingdom have now received a COVID-19 shot, Britain's health minister, Matt Hancock,..
Outrage in Argentina as the political elite secretly work their way to the front of the queue for a coronavirus vaccine.