Issues after granddaughter’s flu shot

At 13 months my granddaughter received her mandatory flu shot and a few days after her left eye started to squint, her left shoulder started to intermittently shrug and her developing speech had less words being said and those that she continued to repeat were pronounced less distinctly. My daughter brought her to a homeopath and they gave her pulsatilla 200. The speech improved, squint eye and shoulder shrug continued. Neurologist said it looked like the shot caused it. At 16 months she was given Tubericulium 200. This helped sleeping , face rash from food and speech doing well, shoulder shrug seems gone. Currently, at 18 months the left eye squint still occurs a few times a week. Any recommendations on the squint eye. Planning to maybe see a neuro or behavioral opthamologist to see if they identify anything. Any known cures from homeopathy seeing as it looks like the flu shot caused it. My daughter doesn’t want to give any other immunizations until this is cured. Would appreciate any comments and ideas. Thanks so much!! Sue K