Source: South China Morning PostA rapid roll-out of Covid-19 vaccinations among elderly Brazilians may have significantly reduced deaths even though a new variant of the virus was spreading, new research has found.The vaccines may have prevented 14,000 deaths among over-80s, according to estimates by researchers at Harvard’s TH Chan School of Public Health and Brazil’s Federal University of Pelotas.The new study published on the preprint site MedRxiv.org, which has not yet been peer-reviewed, comes as many countries are…Read More