MACAU, April 20 - When Brazilian President Luiz Inácio Lula da Silva paid a state visit to China, a delegation from the Macao Polytechnic University (MPU)
Scientists in Brazil said this week that vaccination against COVID-19 had saved the lives of 63,000 of the country's population over 60 years of age, in addition to preventing some 178,000 hospitalizations of people over 60 years in 2021.
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