diameter of the inhibition zone obtained with the disk diffusion method [ IATE:3571209 ]

vaccine, administered orally and in three or more spread doses in order to generate adequate levels of seroconversion [ IATE:1431879 ], that consists of a mixture of live attenuated poliovirus strains [ IATE:1141473 ] of each of the three serotypes [ IATE:1542840 ], selected by their ability to mimic the immune response following infection with wild polioviruses, but with a significantly reduced incidence [ IATE:1569465 ] of spreading to the central nervous system

chemical which is found in an organism but which is not normally produced or expected to be present in it. It can also cover substances which are present in much higher concentrations than are usual ; A substance which would not normally be found in a given environment, usually a toxic chemical which is entirely artificial, such as a chlorinated aromatic compound or an organomercury compound. (Source: BIOTAZ)