Brazilian nurse Monica Calazans (L) receives the vaccine against COVID-19 in Sao Paulo, Brazil, on Jan. 17, 2021. Brazilian nurse Monica Calazans became the first Brazilian to be vaccinated against the novel coronavirus on Sunday after Brazilian health authorities approved the emergency use of the vaccines. Brazil's Health Regulatory Agency (Anvisa) unanimously approved on Sunday the emergency use of the CoronaVac vaccine, from the Chinese laboratory Sinovac, as well as the AstraZeneca-University of Oxford vaccine against COVID-19. (Xinhua/Rahel Patrasso)
