article_snippet: the vaccine primes the immune system’s
article_snippet: ‘killer’ cells to attack a part of the swine flu virusthe swine flu virus.
article_snippet: But in a minority of patients, the killer cells also mistakenly attack the hypocretin cells, thinking the killer cells are swine flu cells.
article_snippet: But Dr Mignot believes another possible link is adjuvants in the vaccine.
article_snippet: These chemicals stimulate the immune system to produce a more powerful reaction to the inactive virus in the vaccine.