Prion disease & mother’s milk

Latest study from the Journal of Virology shows that prion disease spreads in sheep via mother’s milk. Sheep were infected with a common retrovirus causing mastitis and with misfolded prions. After collecting milk from animals, it was given to lambs, that had never been exposed to prions. The lambs were diagnosed with prion disease after two years, which suggested that there was a high level of prion infectivity in milk. Read full text »