COVID-19 vaccination in Brazil

（原始内容存档于2021-01-29）.  COVID-19 vaccination in Sudan. UNICEF. [2021-03-19]. （原始内容存档于2021-02-25）.  Sudan receives first delivery of COVID-19 vaccines with over

arrives in Singapore, but not yet approved for use. www.businesstimes.com.sg. [2021-06-01]. （原始内容存档于2021-12-03）.  Singapore begins COVID-19 vaccination campaign

For Prevention Of COVID-19 - Tweet WHO lists 9th COVID-19 vaccine for emergency use with aim to increase access to vaccination in lower-income countries

Siqueira AM, Mello RC, et al. The increase in the risk of severity and fatality rate of covid-19 in southern Brazil after the emergence of the Variant of Concern

vaccines in Brazil]. UOL. 2021-01-17 [2021-01-17]. （原始内容存档于2021-04-06） （葡萄牙语）.  La República Dominicana aprueba la vacuna de AstraZeneca contra la covid-19. Agencia