http://www.news.com.au/national/thunderstorm-asthma-warning-as-da...

http://www.news.com.au/national/thu...a/news-story/556e89d1d8717c13591adb5474697a5a

Ms Hennessy said the thunderstorm asthma had raised the interest of public health experts across the world as they tried to figure out how best to respond to the “perfect storm” of a change in weather conditions with high pollen levels.

“This was an unprecedented and unpredictable incident where over 8500 people required care,” she said. “It’s absolutely imperative that we learn every lesson we can.”

If only there was an app that could notify hundreds and thousands of people (simultaneously) with the same condition to caution them of any potential threats???