National

Esther Han

Esther Han is a health reporter at The Sydney Morning Herald and The Sun-Herald. Before that, she spent three years as Fairfax Media's consumer affairs editor. She has also covered food and wine.

Spring is here and health experts are urging people with asthma to be prepared.

Thunderstorm asthma warning for NSW

A freak storm event last year triggered thousands of asthma attacks and killed nine people. It could be in NSW, and authorities are urging people to be prepared.