The influenza pandemic spreads and a lockdown is immediately imposed. As Sydney shuts down and masks up, will the restrictions be enough to keep the virus in check?

Featuring public health expert Professor Peter Curson and medical historian Dr Peter Hobbins.

MUSIC: Anxiety: ashot danielyan, Schubert F.6 Moments Musicaux D 780 Op.94-No.3 in F Minor Allegro Moderato: On Classical, Au fil de la nuit: Eracilon, Sad Piano: DDmyzik, The End in your Eyes: Aufklarung, Satie: Christian DALMONT, Promencelle: Eracilon, Entre les cordes: Eracilon, Live: Ludovico Gonzales, Anxiety: Hafizzhais, Anxiety: Shymonmusic. (All tracks amended)