In particular, one neonate [15] was diagnosed with transient hypothyroidism as a consequence of Human Parechovirus type 3 encephalitis, another one developed Inappropriate Antidiuretic Hormone Secretion following meningitis [19], two case reports described two cases of hypopituitarism due to M. tuberculosis and Streptococcus agalactiae infections [16,18], respectively, and one paper reported the onset of central diabetes insipidus due to Escherichia coli meningitis [17]. Here, AVP is linked to meningitis.