Abstract
A microneutralization test is described, in which secondary pig thyroid cells are used and end points are determined by hemadsorption with hamster erythrocytes. The method is evaluated and compared with a macromethod, in which the fluorescent-antibody staining technique is applied for reading titers. The micromethod was found to be useful because of its sensitivity and rapidity.
MeSH terms
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Analysis of Variance
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Animals
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Antibodies, Viral / analysis*
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Cell Line
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Coronaviridae / immunology*
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Cricetinae / immunology
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Encephalomyelitis / microbiology*
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Erythrocytes / immunology
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Evaluation Studies as Topic
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Fluorescent Antibody Technique
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Hemadsorption
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Hemagglutinins, Viral / analysis*
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Neutralization Tests / methods*
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Swine
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Thyroid Gland
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Virus Cultivation
Substances
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Antibodies, Viral
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Hemagglutinins, Viral