What is Thunderstorm asthma and Ways to prepare

Six people died in Melbourne so far by thunder storm Asthma. More than 2,000 people suffered breathing problems when a severe storm combined with an extreme pollen count to cause what is being described as thunderstorm asthmaEpidemics of thunderstorm asthma have been described in Melbourne, Wagga and London. Dr Bilal explain why and how to be saved?

Asthma Source: AAP-Clive Gee-PA Wire