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Serum antibody responses in naturally occurring influenza A virus infection determined by enzyme-linked immunosorbent assay, hemagglutination inhibition, and complement fixation.

Abstract：

:Serum antibody responses to influenza A virus infection were examined in 388 normal subjects during a trial of chemoprophylaxis in an outbreak of influenza A in 1980-1981 in which both A/H1N1 and A/H3N2 viruses circulated. Paired serum specimens obtained over a 6-week period were tested for antibodies to both A/H1N1 and A/H3N2 viruses by conventional hemagglutination inhibition, complement fixation, and an enzyme-linked immunosorbent assay (ELISA). Antibody responses detected by ELISA were determined by calculation of the area generated between titration curves of paired sera (area method), as well as by a conventional endpoint dilution method (endpoint method). Forty-two significant antibody rises were detected; 42 by ELISA (area method), 33 by ELISA (endpoint method), 32 by hemagglutination inhibition, and 13 by complement fixation. ELISA (area method) detected rises more frequently than either ELISA (endpoint method) (P less than 0.01), hemagglutination inhibition (P less than 0.005), or complement fixation (P less than 0.001). Another sensitive assay, the microneutralization test, detected significantly fewer rises (33, P less than 0.025) than the ELISA (area method). In the 42 subjects with ELISA (area method) rises, corroborating evidence of influenza A infection by other techniques (virus isolation, microneutralization, hemagglutination inhibition, or complement fixation tests) were available for 39 (93%). ELISA (area method) rises were subtype specific in all serum pairs in which other documentation of subtype-specific infection was available (38 of 38). Thus, ELISA (area method) was the single most sensitive assay for detection of serum antibody rises in this setting and possessed a high degree of subtype specificity.

journal_name

J Clin Microbiol

journal_title

Journal of clinical microbiology

authors

Madore HP,Reichman RC,Dolin R

doi

10.1128/JCM.18.6.1345-1350.1983

subject

Has Abstract

pub_date

1983-12-01 00:00:00

pages

1345-50

issue

eissn

0095-1137

issn

1098-660X

journal_volume

pub_type

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Serum antibody responses in naturally occurring influenza A virus infection determined by enzyme-linked immunosorbent assay, hemagglutination inhibition, and complement fixation.