Loudermilk did not vaccinate his children against the mumps or measles. In 2019, after a measles outbreak in Oregon, she urged parents to vaccinate their kids. Many countries now routinely vaccinate infants against hepatitis B. Several strains are used to vaccinate against mumps. Several zoos have learned to vaccinate their primates against whooping cough. An initial response was to vaccinate residents for typhoid and cholera. Japan was among the first countries to vaccinate for chickenpox. Owners of domestic rabbits were advised to vaccinate their animals. Scarring may result and consequently exhibition poultry breeders prefer to vaccinate and avoid this disease. A possible contributing factor was parents choosing not to vaccinate their children. Previously nurses were not even allowed to vaccinate the patients without direct supervision by doctors. She also added that parents are under enough pressure to vaccinate already. The decision of whether to vaccinate themselves or their family is left to individuals. Studies have shown it is possible to vaccinate against xenomas. But we can't vaccinate everyone straight away.