A dairy worker in Nevada is the state’s first human case of bird flu after the employee was exposed to infected dairy cattle. In a release Monday, the Central Nevada Health District confirmed the “state’s first and only” human case of avian influenza, the H5N1 virus. The employee was working in Churchill County. The individual…

A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working with infected livestock.

The avian flu has impacted herds of dairy cows all over the country, but the largest number of cases have been found in California. “Why this is happening? The right answer is we don’t know,” Dairy Economics Scholar Luis Garcia-Covarrubias said while giving a presentation.