The statement says Serres did not develop any side-effects.Boyer went to a nearby hospital before being transferred to the Montreal Neurological Institute as her condition worsened, and she died of a cerebral thrombosis on April 23.Quebec public health director Dr.
Horacio Arruda told a news conference Tuesday he believes it is the first death in Canada to be potentially linked to the vaccine, and authorities stressed serious side-effects are rare and the vaccine saves far more lives than it endangers..