[1] Univ Sao Paulo, Fac Ciencias Farmaceut Ribeirao Preto, Lab Virol, Dept Anal Clin Toxicol & Bromatol, Ribeirao Preto, SP, Brazil
[2] Univ Sao Paulo, Inst Ciencias Biomed, Dept Microbiol, Ribeirao Preto, SP, Brazil
[3] Univ Sao Paulo, Fac Med Ribeirao Preto, Ctr Pesquisa Virol, Ribeirao Preto, SP, Brazil
[4] Univ Sao Paulo, Fac Zootecnia & Engn Alimentos, Campus Pirassununga, Pirassununga, SP, Brazil
[5] Inst Nacl Pesquisa Manaus, Manaus, Amazonas, Brazil