doctors are still trying to find out what the future holds for 17-year-old natasha willard after she was diagnosed with inflammation of the brain when she fell ill while .
miss willard 's family are unsure how the teenager became ill so suddenly , just four days after she returned her feeling unwell .
natasha willard was studying for her a levels at college when she appeared to get the flu just before christmas and her condition has worsened , leaving her unable to move her limbs and barely able to speak .