But researchers still won't say Zika leads directly to Guillain-Barre syndrome
                                
                                
                                    (Newser) -
                                    Earlier this month,  Puerto Rico announced  its first death from Guillain-Barre syndrome, a condition causing temporary paralysis that, in this case, was linked to the Zika virus. Now incidences of Guillain-Barre are said to have risen in seven countries in tandem with outbreaks of Zika, per a study in the...