Origin of infective
Examples from the Web for infectivity
On the infectivity of tabardillo or Mexican typhus for monkeys, and studies on its mode of transmission.Handbook of Medical Entomology|William Albert Riley
Thus far I have considered the problem of marriage from the standpoint of infectivity.Woman|William J. Robinson
The high mortality and infectivity of this epidemic strongly suggest it.Peking Dust|Ellen N. La Motte
No doubt is any longer entertained of its infectious character, though the degree of infectivity appears to vary considerably.
British Dictionary definitions for infectivity
Word Origin and History for infectivity
late 14c., from Latin infectivus, from infectus (see infect).