Horses can be infected with the Zika and Dengue viruses, researchers who carried out a study in the South Pacific report. A significant proportion of horses in New Caledonia and French Polynesia tested in the research were found to have mounted an immune response against the viruses.
The immune response to the Zika virus was found in 4.3% of the horses tested in New Caledonia and 15.4% of those tested in French Polynesia. Blood from 163 horses in New Caledonia was tested. Seven of those had mounted an immune response to Zika, and 130 had been tested from French Polynesia, 20 of which had delivered a positive result.
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