rtokens: " At the moment there is no evidence the two cases are linked .
pos: DT JJ NN VBZ RB VBG IN DT NN CC NN NNS VBD PRP$ NN IN JJ .
tokens: The 15-year-old girl is also suffering from the disease and hospital officials described her condition as serious .
ltokens: The 16-year-old who attended Sale Grammar School in the northern England city of Manchester died less than a day after becoming ill .