Is it OK to plant Impatiens in Toronto gardens?

What’s the current status about planting impatiens in the Garden in Toronto ( Zone 7)? Many varieties were hit by a virus and would frizzle after panting them. Are they free from the virus now? Can I bring them indoors…

Impatiens

I have many (10+) containers of impatiens growing in dappled shade. The soil is Miracle Grow. I have been fertilizing with a high bloom fertilizer (15-30-15) every two weeks. Over the past week three of the containers have really slowed…