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To the Editor:
—During the months of May and June many patients will ask their physicians about the advisability of typhoid revaccination for themselves or for their children. Need for this immunization has increased in recent years because, in instances in which children go to summer camps and adults spend their summers in foreign travel, exposure is much greater than usual. In both instances, typhoid vaccination is advised by health authorities.It seems to me, from personal experience and observation, that there is considerable confusion and misunderstanding in the minds of many physicians about the proper vaccination procedure. This is particularly true in respect to revaccination of previously immunized persons. I have found, for example, that some children and adults have been given three injections of the typhoid vaccine subcutaneously as soon as one or two years after the initial immunization. This is not only unnecessary but subjects these patients,
Tuft L. TYPHOID IMMUNIZATION. JAMA. 1953;152(2):183–184. doi:10.1001/jama.1953.03690020075020
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