The co-expression of both human and avian receptors in the mammary glands of cows indicate susceptibility to viruses of both swine/human and avian originThe co-expression of both human and avian receptors in the mammary glands of cows indicate susceptibility to viruses of both swine/human and avian origin The co-expression of both human and avian receptors in the mammary glands of cows indicate susceptibility to viruses of both swine/human and avian origin Science Science News | Latest Updates on Scientific Discoveries | The Hindu