Swine Influenza A at Fort Dix, New Jersey (January-February 1976). 1. Case Finding and Clinical Study of Cases
WALTER REED ARMY INST OF RESEARCH WASHINGTON DC DIV OF COMMUNICABLE DISEASE AND IMMUNOLOGY
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After the isolation of ANew Jersey76 Hsw1N1 influenza virus from five soldiers at Fort Dix, New Jersey, case finding was initiated by obtaining specimens for viral isolation from 95 patients with acute respiratory disease and determining antibody to influenza AMayo Clinic10374 hsw1N1 antigen in paired sera from 74 soldiers as ANew Jersey influenza patients. Development of heterotypic antibody to AMayo Clinic antigen following infection andor immunization with influenza A H3N2 strains was studied and was found to occur infrequently. One of the 13 identified patients had died, and postmortem findings were consistent with viral pneumonia. Four of the 12 surviving patients had radiologic evidence of pneumonia, but clinical syndromes in all 12 were similar to those described for other influenza A infections.
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