
Melbourne's deadly thunderstorm asthma hit mostly people without diagnosed asthma
Only 28% of the emergency patients surveyed after Melbourne's 2016 thunderstorm asthma epidemic had current doctor diagnosed asthma, while 87% had hay fever, according to two studies of the same patients, in The Lancet Planetary Health (2018) and Allergy (2019). The event brought 476 excess asthma admissions in 30 hours, and ten people died.
By Justin Brown · Oct 9, 2026

























