Serum Neutralization Anti-IgG Test for Psittacosis.
Levels of antibodies in sera from patients with diagnoses of subclinical or established psittacosis infections were determined by the serum neutralization anti-IgG test and by conventional tests. Relatively high levels of serum neutralizing anti-bodies were detected in tests in which anti-IgG was used, whereas conventional tests disclosed only marginal levels of antibody. Use of the serum neutralization anti-IgG test in conjunction with the fluorescent cell-counting technique permitted serum antibody determinations within 24 hr.
Williams
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Aerobiology & Evaluation Laboratories, Fort Detrick, Frederick, Maryland 21701.
Hahon
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