| |
| Related by CF to Irituia virus (BeAn 28873) of the Changuinola group as follows [2] : |
| |
| | Serum or Ascitic Fluid |
|---|
| Antigen | Irituia(3i) | Gurupi(6i) | Ourem(4i) | Caninde(5i) | Control |
|---|
|
| | a Antibody titer/antigen titer; 0 = <4/<4 | | Irituia | 16/64 a | 32/64 | 64/16 | 128/64 | 0 | | Gurupi | 32/64 | 32/64 | 64/16 | 128/64 | 0 | | Ourem | 8/16 | 32/16 | > 256/64 | 64/64 | 0 | | Caninde | 32/64 | 64/64 | 64/16 | 128/64 | 0 | | Control | 0 | 0 | 0 | 0 | 0 |
|
| Results of plaque-reduction cross-neutralization tests with Changuinola group viruses performed at YARU were as follows [3] : |
| |
| | Sera |
|---|
| Viruses | CGL | Gurupi | Bt 766 | Bt 2365 | Bt 104 | Ourem | Bt 2164 | CoAr 2837 | IRI |
|---|
|
| | 0 = <2 CGL = Changuinola; IRI = Irituia | | CGL | >256 | 0 | >256 | 0 | 0 | 0 | 0 | 0 | 0 | | Gurupi | 0 | >256 | 0 | 4 | 0 | 8 | 0 | 0 | 0 | | Bt 766 | >256 | 0 | 256 | 4 | 4 | 0 | 0 | 0 | 0 | | Bt 2365 | 0 | 0 | 0 | 64 | 0 | 0 | 128 | 2 | 0 | | Bt 104 | 0 | 0 | 0 | 0 | 32 | 0 | 0 | 0 | 0 | | Ourem | 0 | 0 | 0 | 0 | 0 | 256 | 0 | 0 | 0 | | Bt 2164 | 0 | 0 | 0 | 32 | 0 | 0 | 32 | 2 | 0 | | CoAr 2837 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | >256 | 0 | | Irituia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 256 |
|
| Results of neutralization tests performed in infant mice (ic route) at the Evandro Chagas Institute were as follows: |
| |
| | Ascitic Fluid or Serum |
|---|
| Virus | Irituia (5i) | Gurupi (5i) | Ourem (4i) | Caninde (5i) | Jamanxi (3i) | Altamira (4i) |
|---|
|
| | b LNI expressed in dex | | | | | | | | | Irituia | 3.0 b | | | | <1.0 | 0.8 | | Gurupi | | 2.5 | | | <0.3 | <0.3 | | Ourem | | | 3.9 | | <1.0 | <0.9 | | Caninde | | | | 3.0 | 0.8 | 0.4 | | Jamanxi | 0.2 | 0.3 | 0 | 0.5 | 3.0 | 0 | | Altamira | 1.1 | 1.2 | 1.0 | 1.0 | 0 | >3.1 |
|
| |
