Venereal disease research laboratory (VDRL) is a simple, nontreponemal test for syphilis to measure the antibody levels produced after coming in contact with the bacteria that cause syphilis. Due to the high bacterial load in secondary syphilis, the antibodies are produced in excess. This hampers the agglutination reaction and results in a false-negative result. What is this phenomenon called? Find the name in this letter grid!
Yet another hint! This phenomenon is becoming more significant due to the increasing prevalence of acquired immune deficiency syndrome (AIDS). Click here for the correct answer ! Explanation: The prozone phenomenon is defined as a false negative response resulting from a high antibody titer that interferes with the formation of antigen-antibody lattice, essential to visualize a positive flocculation test. Source: Indian J Sex Transm Dis AIDS, 2011 Did…
