An official with the USDA on Wednesday said they are not seeing US dairy herds, that have previously cleared the bird flu virus, being re-infected

<div class=\"default-font-wrapper\" style=\"line-height: 1;font-size: 12pt; font-family: Verdana, Geneva, sans-serif;\">An official with the USDA on Wednesday said they are not seeing US dairy herds, that have previously cleared the bird flu virus, being re-infected</div>