In the Widal test, the significant titers for H agglutinins is

1.	In the Widal test, the significant titers for H agglutinins is
A.	1:50 or more
B.	1:100 ormore
C.	1:200 or more
D.	1:400 or more
Answer» D. 1:400 or more

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In the Widal test, the significant titers for H agglutinins is

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