Infective means related to infection or likely to cause infection. a mild and very common infective disease of children
caused by infection or capable of causing infection; "viruses and other infective agents"; "a carrier remains infective without himself showing signs of the disease"
1 The characteristic of a disease agent that embodies capability to enter, survive and multiply in the host A measure of infectivity is the secondary attack rate See also secondary attack rate 2 The proportion of exposures, in defined circumstances, that results in infection See also infection