Serologic epidemiological studies on influenza
نویسندگان
چکیده
منابع مشابه
Epidemiological studies concerning choice of population for immunoprophylaxis of influenza.
Epidemiological studies in naturally infected persons have shown that there is a significant relation between antibody levels to the current circulating virus and morbidity. Serological findings and morbidity data suggest: (1) that the serological survey is a more sensitive indicator for influenza outbreaks than is the clinical diagnosis and (2) that the 5-14 age group is first affected when an...
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OBJECTIVE To review the effects of school closures on pandemic and seasonal influenza outbreaks. DESIGN Systematic review. DATA SOURCES MEDLINE and EMBASE, reference lists of identified articles, hand searches of key journals and additional papers from the authors' collections. STUDY SELECTION Studies were included if they reported on a seasonal or pandemic influenza outbreak coinciding w...
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S ALINE AGGLUTINATION REACTIONS of variable strength among Rh positive bloods were reported soon after the discovery of the Rh factor.”2 Wieners suggested that these D variant types were determined by special “intermediate” Rh genes and Stratton2 postulated that this weak D antigen was elaborated by a new allele, D’, at the D-d locus. The only blood types which could he classified as DL variant...
متن کاملStudies on Influenza Virus
Influenza complement fixation tests designed for use with ferret serum are described. Complement-fixing antigens derived from influenza ferret lungs were unsatisfactory due to their low content of soluble antigen; those prepared from mouse lungs or developing chick embryo membranes proved to be better antigenically and were reliable when the various reagents in the test were properly adjusted t...
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ژورنال
عنوان ژورنال: Okayama Igakkai Zasshi (Journal of Okayama Medical Association)
سال: 1978
ISSN: 0030-1558,1882-4528
DOI: 10.4044/joma1947.90.11-12_1533