Newcastle disease lungs, brain, spleen, liver, and kidneys. Prior to shipping, samples should be stored at 4 °C (refrigerator). Samples must be shipped in a padded envelope or box. Samples may be sent by regular mail, but overnight is recommended. Any animals showing symptoms of Newcastle disease should be isolated immediately. New birds should also be vaccinated before being introduced to a flock. An inactivated viral vaccine is available, as well as various combination vaccines. A thermotolerant vaccine is available for controlling Newcastle disease in underdeveloped countries. Newcastle disease Newcastle disease is a contagious viral bird disease affecting many domestic and wild
Person-affecting view existing in the future than has ever existed). Person-affecting views are also important in considering human population control. A weaker form of person-affecting views states that an act can only be bad if it is bad for some existing or future person. Person-affecting views can be seen as a revision of total utilitarianism in which the "scope of the aggregation" is changed from all individuals who would exist to a subset of those individuals (namely those individuals who already exist). Some philosophers who have discussed person-affecting views include Derek Parfit, John Broome, Larry Temkin, Tatjana Višak, Gustaf Arrhenius, Nick Beckstead,