[The use of homologous virus in vaccination of chickens against fowlpox].
D000818:Animals; D002645:Chickens; D005586:Fowlpox; D006801:Humans; D011200:Poultry; D011201:Poultry Diseases; D014611:Vaccination; D014777:Virus Diseases / Q000517:prevention & control*
POULTRY/diseases; VIRUS DISEASES/prevention and control