I’m scared of grass – of all foliage, really. It is such a strange experience, when I’ve been a bushwalker most of my adult life. I will never sit on the grass again.

"I collapsed. Completely unconscious. They couldn't find my pulse." (Image: SBS/Insight)

"In future, if I'm bitten by a tick, I probably won't survive." Image supplied.

"It's vital that awareness of the dangers of these tiny little things." Image supplied.

Vivianne is a guest on tonight’s episode of Insight at 8.30pm on SBS, which hears from patients who have been suffering from the unexplainable symptoms of tick bites, and the doctors who are faced with a decision of how to treat them. #InsightSBS