Scientific Comments onset of fever which returns to normal cellularity between 7 and 10 days after onset.(6) Several infectious diseases should be considered when laboratory changes similar to those found in dengue are observed. AIDS and other arbovirus infections should be listed as possible differential diagnoses; in addition, in the current epidemiological context, the overlapping of endemic areas for dengue fever and leishmaniasis in Brazil is worth considering. References 1. Azin FR, Gonçalves RP, Pitombeira MH, Lima DM, Castelo Branco I Dengue: profile of hematological and biochemical dynamics. Rev Bras Hematol Hemoter. 2012;34(1):36-41. xxx 2. Lin YS, Yeh TM, Lin CF, Wan SW, Chuang YC, Hsu TK, et al. Molecular mimicry between virus and host and its implications for dengue disease pathogenesis. Exp Biol Med. 2011;236(5):515- 23. 3. Guzmán MG, García G, Kourí G. [Dengue and dengue hemorragic fever: research priorities]. Rev Panam Salud Pública. 2006;19(3): 204-15. Spanish. 4. Serufo JC, Nobre V, Rayes A, Marcial TM, Lambertucci JR. Dengue: uma nova abordagem. Rev Soc Bras Med Trop. 2000;33(5):465- 76. 5. Srichaikul T, Nimmannitya S. Haematology in dengue and dengue haemorrhagic fever. Baillieres Best Pract Res Clin Haematol. 2000; 13(2):261-76. 6. Albuquerque PL, Silva Júnior GB, Diógenes SS, Silva HF. Dengue and aplastic anemia: a rare association. Travel Med Infect Dis. 2009; 7(2):118-20. Rev Bras Hematol Hemoter. 2012;34(2):73-9 79