RIO DE JANEIRO, BRAZIL - A single dose of Russia’s Sputnik V or the Oxford University-AstraZeneca vaccine reduces mortality from Covid-19 by between 70% and 80% in people aged 60-plus, real-world data from Argentina’s national inoculation program show.
The preliminary study data, released on Friday, June 25, by the country’s health ministry, involved some 450,000 people aged 60 years of age and above who received one or two doses of either vaccine, which are the most widely used in Argentina.
“The first dose generates almost 80% immunity, the second, in general, increases that . . .