The study demonstrates that H5N1 2.3.4.4b clade infection in lactating ferrets leads to mastitis-related disease and transmission to suckling pups, resulting in 100% mortality among the pups The study demonstrates that H5N1 2.3.4.4b clade infection in lactating ferrets leads to mastitis-related disease and transmission to suckling pups, resulting in 100% mortality among the pups Science Health News, Wellbeing Tips, Diseases, Treatment and Nutrition | The Hindu