You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Weil felix reaction is heterphile antibodies reaction due sharing of Rickettsial antigen with - and explain in detail?
Ans. is 'b' i.e., Proteus Weil felix reactiono This reaction is an agglutination test in which sera are tested for agglutinins to O antigens of certain nonmotile proteus strains OX -19, OX - 2 and OX - K.o The basis of the test is the sharing of an alkali - stable carbohydrate antigen by some rickettsiae and by certain strains of proteus, P. vulgaris OX - 19 and OX - 2 and P. mirabiiis OX - K.o The test is usually done as a tube agglutination, though rapid slide agglutination methods have been employed for screening.Weil felix ReactionDiseaseOX-19OX-2OX-KRocky Mountain spotted fever++-Rickettsial pox---Epidemic typhus+--Bril - Zinsser disease+/---Scrub typhus--+Endemic typhus+--Trench fever---Q fever---