![Vaccination is the administration of antigenic material (a vaccine) to stimulate an individual's immune system to develop adaptive immunity to a pathogen. Vaccines can prevent or ameliorate infectious disease. When a sufficiently large percentage of a population has been vaccinated, herd immunity results.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 veterinaria inyectar vacuna pollo para prevenir las enfermedades de las aves de corral. la gripe aviar es la influenza aviar altamente patógena (hpai).](https://media.istockphoto.com/id/1048751306/es/foto/veterinaria-inyectar-vacuna-pollo-para-prevenir-las-enfermedades-de-las-aves-de-corral-la.jpg?b=1&s=612x612&w=0&k=20&c=fQa9E3PWK2Yxv3a4O21HXov8EKxrNTqo7HAWS9YNG9U=)
veterinaria inyectar vacuna pollo para prevenir las enfermedades de las aves de corral. la gripe aviar es la influenza aviar altamente patógena (hpai). "gripe aviar" es similar a "cerdos", "perro", "caballo", o "gripe humana" "newcastle".
- JPG 300 DPI