Question of the Week

Question :
Posted On : 21 Apr 2019
what is amnestic reaction how does it interfere in the reading of a investigation report_?
Expert Answer :
Anamnestic reaction is defined as a bodily defense reaction that recognizes an invading substance {an antigen: such as a virus or fungus or bacteria or transplanted organ} and produces antibodies specific against that antigen. However in diseases such as typhoid these antibodies may rise with other infections such as malaria and other fevers. If a child had a previous attack of enteric fever, or had immunization with TAB vaccine, the H antibody titre rises rapidly with non-typhoid fevers, but the titre of O antibodies doses not rise. This is called anamnestic {does not forget} reaction. High anti-H and low anti-O suggest anamnestic reaction
Answer Discussion :
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