“…DNA from Ascaris lumbricoides eggs (Loreille et al 2001, Loreille & Bouchet 2003 and Enterobius vermicularis (Iniguez et al 2003a, b), found in sediments from latrines or coprolites, were used in studies comparing the present parasite genome to sequences of millions of years ago. Mycobacterium tuberculosis DNA, extracted from Egyptian mummies was compared across different periods of time (Zink et al 2003) and Trypanosoma cruzi DNA, retrieved from Chilean and Peruvian mummies, dated of up to 6000 years old has allowed some hypotheses about the origin and dispersion of Chagas disease among American pre-Colombian populations (Ferreira et al 2000, Guhl et al 2000, Madden et al 2001, Araujo et al 2003.…”