1. Biology of Infectious and Parasitic Agents Post-Graduate Program, Federal University of Pará, Belém 66075-110, PA, Brazil
2. Virology Laboratory, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
3. School of Dentistry, University Center of State of Pará, Belém 66060-575, PA, Brazil
4. School of Dentistry, Federal University of Pará, Belém 66075-110, PA, Brazil
5. School of Dentistry, Federal University of Maranhão, São Luís 65080-805, MA, Brazil