Why is vaping illness just now happening?

The Department of Health is investigating three *possible cases of vaping related illnesses right here in Spokane County. This just one day after the first confirmed case in Washington was announced. Vaping illness has become a nationwide problem, even though vaping has been around for years. So a lot of you are wondering: why are we just now hearing about people getting sick?
Published: 5:14 AM PDT September 13, 2019
Updated: 5:13 AM PDT September 13, 2019