Commending the spirit, dedication and selfless service of the medical staff and healthcare workers, Banega Swasth India Campaign Ambassador, Amitabh Bachchan called them the backbone of the fight against the COVID-19 pandemic. Here are top 5 quotes of Amitabh Bachchan from the #SalutingTheCovidHeroes Townhall, organised to honour ordinary people who made extraordinary contribution through their selfless service, during the COVID-19 second wave