Passenger on Qantas Flight Had Covid-19

Ambulances are lined up outside the International Terminal at Cairns Airport in Queensland, Australia, on Feb. 2, 2011. Paul Crock/AFP via Getty Images

A passenger on a packed Qantas flight from Sydney to Brisbane on April 13 was infectious with COVID-19.

Queensland Health warned other passengers of the diagnosis by text and then a phone call before directing them to self-quarantine in an email on April 16.