We report a 60-year-old lady known to have a stable MS disease. Who presented with right-hand weakness on the same day of COVID 19 vaccine administration. MRI showed a relapse, and she was treated with steroids with improvement in her symptoms. neurological side effects can occur following COVID 19 vaccines

chylothorax is a relatively uncommon condition. It is characterized by the presence of chylous rich fluid within the pleural space. Spontaneous chylothorax usually refers to non-traumatic causes most common malignancy and infections. we present a case of a spontaneous chylothorax with evidence of resolution of pleural effusion without detectable cause.