Coronavirus: Refusing the vaccine

Official figures suggest the global death toll from Covid-19 now exceeds four million with the virus proliferating in Asia, Africa and South America, where fewer people have been vaccinated. Host James Reynolds brings three doctors together from Namibia, Bangladesh and Russia, which are among the countries struggling to deal with second and third waves of infections. They describe the constant challenge on the hospital wards and highlight the impact of vaccine hesitancy among patients.