In January, 2021, a vaccination campaign against COVID-19 was initiated with the rAd26-rAd5, ChAdOx1 nCoV-19, and BBIBP-CorV vaccines in Argentina. The objective of this study was to estimate vaccine effectiveness at reducing risk of SARS-CoV-2 infection and COVID-19 deaths in people older than 60 years.

Matéria original


Câmara Setorial da Cadeia Produtiva de Milho e Sorgo


Eicosanoid signalling blockade protects middle-aged mice from severe COVID-19