3 Min Read LIMA (Reuters) - Peruvian prosecutors are probing the use of so-called “courtesy doses” of China’s Sinopharm vaccine after two top government officials resigned over the weekend upon acknowledging they had taken the Chinese shot months ago, well before they were widely available in the country. FILE PHOTO: Health workers wait for a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda/File Photo/File Photo The growing scandal in Peru erupted Thursday after ousted former President Martin Vizcarra said he too had received an early vaccination. Several other top officials have since stepped down.