Will we ever achieve immunity from Covid-19?
Today in Focus - Ein Podcast von The Guardian
Recent studies suggest that even where immunity is developed to Covid-19, it may be fleeting. Science editor Ian Sample looks at what this means for vaccines, treatments and living long term with the coronavirus. Help support our independent journalism at <a href="https://www.theguardian.com/infocus">theguardian.com/infocus</a>
