Analysis of information sources in references of the Wikipedia article "CoronaVac" in Portuguese language version.
A study published by the University of Chile earlier this month reported that CoronaVac was 56.5% effective two weeks after the second doses were administered in the country. Crucially, however, they also reported that one dose was only 3% effective.
Segundo pesquisa publicada, a taxa de proteção da vacina cai conforme a idade e varia de 61,8% na faixa etária dos 70 aos 74 anos a 28% acima dos 80 anos. No grupo entre 75 e 79 anos, o índice encontrado foi de 48,9%.
A study published by the University of Chile earlier this month reported that CoronaVac was 56.5% effective two weeks after the second doses were administered in the country. Crucially, however, they also reported that one dose was only 3% effective.