noun Etymology: József Marek died 1952 Hungarian veterinarian Date: 1947 a highly contagious virus disease of poultry that is marked especially by proliferation of lymphoid cells and is caused by either of two herpesviruses (species Gallid herpesvirus 2 and Gallid herpesvirus 3 )
MAREK'S DISEASE
Meaning of MAREK'S DISEASE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012