A storm in the Australian city of Melbourne triggered thousands of pollen allergy asthma attacks which killed at least four people and on Thursday was labelled a health emergency of ‘unprecedented scale’.

Three critically ill, hundreds hospitalised after Melbourne’s thunderstorm asthma

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A storm in the Australian city of Melbourne triggered thousands of pollen allergy asthma attacks which killed at least four people and on Thursday was labelled a health emergency of ‘unprecedented scale’.
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