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It is one of 13 subtypes of Ehlers-Danlos syndrome; the other 12 subtypes cause biochemical changes in connective tissue, have a known genetic cause, are rare, and can be severe.

"It is rare that you see 100% survival at 36 months for this subtype of breast cancer. We're incredibly excited about the potential of this new approach."

According to a 2015 study published in the Journal of Virology, which studied the virus when it was still new to science, H5N9 forms as a reassortment of other subtypes of the virus.

When she first went to the hospital she tested positive for influenza A — but not the seasonal subtype.

In finding her diagnosis, researchers say that she initially tested positive for influenza A, but not the seasonal subtype.