my 22 year old daughter has had swollen lymphnode in her neck for over two weeks , also headache and now her throat is swollen with white stripes all over her tonsels , sensitivity to light and weak legs. she has had a throat swab for strep throat . it came back negative. she also received spinal tap testing for meningitis , it also came back negative. her condition is getting worse not better. her white blood count is low....