She explored how the innate immune system of animals recognizes invaders, in particular disease - causing viruses that generate a double - stranded RNA during replication. (vilcek.org)
the first one being that the immune systems of animals are much stronger than humans. (religion.blogs.cnn.com)
Testosterone, a hormone that promotes secondary muscle growth, suppresses the immune system of all animals, including people. (newscientist.com)