File:Boonah flu cases.jpg

Number of cases of influenza reported daily on the HMAT Boonah. Durban-Fremantle-Adelaide.

Self made by uploader. Source data: https://books.google.com/books?id=a9FHiwuhIuYC&pg=PA194&lpg=PA194&dq=boonah+spanish+influenza&source=web&ots=O-oAsCynYg&sig=eoUhS4QWsIeGW_pow2HUmkSFQBk#PPA194,M1