CGD      
noun [ U ]  medical specialized uk/ˌsiː.dʒiːˈdiː/ us/ˈsiːˌdʒiːˈdiː/
 慢性肉芽肿病(chronic granulomatous disease的缩写)
abbreviation for chronic granulomatous disease: a genetic disease in which a problem with the immune system makes the body unable to destroy some types of bacteria and fungi, leading to repeated infections