Source: South China Morning PostChile has provided a real-time demonstration of the effectiveness of Chinese firm Sinovac’s Covid-19 vaccine, with its vaccination drive results showing it to be 56.5 per cent effective two weeks after the second dose. The findings were in line with Phase 3 trial results of the vaccine in Brazil, which found an efficacy rate of around 50 per cent.But the study by the University of Chile also found that one dose of the Sinovac jab was only 3 per cent effective against infection, underscoring the…Read More