R Madhavan, in an Instagram post on Monday, penned a note for Vivek Ranjan Agnihotri after watching his upcoming film 'The Vaccine War'. He called the filmmaker "master storyteller" who "makes you cheer, applaud, weep and euphoric, all at the same time". Praising the film, Madhavan wrote, "Totally blown out of my mind by...spectacular sacrifices and achievements of...Indian scientific community."