Indirect hemagglutination test

What is Indirect hemagglutination test?

Indirect hemagglutination test definition and meaning on Dictionary terms:
a word or group of words representing the person or thing with reference to which the action of a verb is performed, in English generally coming between the verb and the direct object and paraphrasable as the object of a preposition, usually to or for, following the direct object, as the boy in He gave the boy a book.