Source: South China Morning PostAs countries race to vaccinate their populations against the coronavirus and its variants, some scientists have turned their focus to a broader goal: a vaccine that protects against a range of coronaviruses, even those that have yet to emerge.Researchers at the Duke Human Vaccine Institute (DHVI) in the United States say they have taken a critical step towards such a super-jab.Their “nanoparticle” vaccine can trigger an immune response not only to the coronavirus that causes Covid-19 and…Read More