RIO DE JANEIRO, BRAZIL - Almost one year after the coronavirus vaccination campaign, Brazil is about to reach 50% of the total population with the two doses of the vaccine.
That may make some optimistic, but countries that started vaccinating earlier face a new wave of cases despite massive vaccination campaigns and spending hundreds of billions.
A new scientific study shows that vaccinated and unvaccinated people alike contract the virus. There is a lack of correlation between the percentage of the fully vaccinated population and new Covid-19 cases (see the study. . .