7 days at +4°C to +8°C
7 days
7 days at +4°C to +8°C
Enzyme-immunoassay
UI/mL
Interpretation criteria
< 0.010 IU/mL: no protective immunity.
0.010 - 0.099 IU/mL: insufficient level of antibodies not conferring protective immunity.
> or = 0.100 IU/mL: level of antibodies conferring protective immunity.