In August, follow-up testing of paired-serum samples found a fourfold rise in neutralization antibody titer for H5N1, a test result which meets the WHO criteria for laboratory confirmation.
Serum titers were tested by mouse neutralizationtest.
采用小鼠中和试验测定血清效价。
3
This paper reports the course followed leading to the successful adaptation of IBV Massachusetts 41 strain to CEK cells as a prerequisite for the development of a micro serumneutralizationtest.