Guillain–Barré syndrome
Janssen Vaccine Can Rarely Cause Neurological Reaction
US Food and Drug Administration (FDA) updated the warning that Janssen vaccine may include minimal risk of developing Guillan Barré syndrome (GBS).
The warning states that the symptoms began within 42 days after the vaccination and that "the chance of this happening is very low".
Zika can trigger severe neurological disorder, says study
Scientists on March 1 said they had confirmed that the Zika virus sweeping Latin America and blamed for severe birth defects can also trigger a dangerous neurological disorder.