“…In many patients, headache was reported to appear during the invasive phase, sometimes very early or be even the first symptom (Aliaga et al, 1984;Andresen et al, 2000;Anton Aranada et al, 1985;Arlet et al, 1966;Berenger, 1984;Bereni and Duboureau, 1963;Bernheim et al, 1958;Brouet et al, 1951;Coulaud et al, 1970;Giffoniello et al, 1983;Guyot, 1962;MacLean and Graeme-Cook, 2002;Nuñez Fernández et al, 2001;Schussele and Laperrouza, 1971a,b;Tezer et al, 2013;Ying et al, 2007). However, cephaleas have also been many times reported in patients diagnosed during the biliary phase (Ahualli and Arias, 1961;Berenger, 1984;Birjawi et al, 2002;Cames et al, 1947;Carena et al, 1972;Domart et al, 1967;Dunet, 1924;Garde et al, 1961;Málaga et al, 2012;Mendoza, 1922;Patrick and Isaac-Renton, 1992;Pesse and Atias, 1956;Ragab and Farag, 1978;Sonzini Astudillo et al, 1973;Strada, 1961;Torrealba, 1922), sometimes even in the very advanced chronic stage, after many years postinfection or a long time after from the first typical symptoms, as 8 years (Bello, 1916;Stemmermann, 1953), 10 years , 11 years (Desage, 1926), 12 years (Del Valle and Donovan, 1928), or even 15 years …”