Sentence examples for complement fixation antibody from inspiring English sources

Another problem is that complement fixation antibody titre is not specific for H5N1 virus infection.

Collum [ 22] showed recovery of herpes simplex virus type I in 19 (33%) of 54 conjunctival swabs while complement fixation antibody to HSV type I was present in 48 (96%) samples of sera.

On March 10, a serum specimen demonstrated a complement fixation antibody titer of 16, a 4-fold rise compared to a titer <4 in a February 25 specimen drawn in Sierra Leone.

The percentages of patients with detectable complement fixation antibody at enrollment and at 4, 12, and 24 weeks were 38% (12/32), 61% (17/28), 59% (16/27), and 23% (5/22), respectively.

Serology is especially useful in documenting asymptomatic infections, but is not useful for patient management because a ≥ 4-fold rise in complement fixation antibody titre in serum samples collected 2 weeks apart is necessary to make the diagnosis of influenza A infection.

Strategies discussed include engineering of antibodies to enhance complement fixation, antibodies that neutralize complement inhibitory proteins as well as engineered constructs that specifically target inhibition of the complement system.

Serum from patient 5 was positive for Mycoplasma pneumoniae immunoglobulin (Ig) M (enzyme-linked immunosorbent assay [ELISA]) antibody with a fourfold increase in complement fixation (CF) antibody titer in acute- (<1 40) and convalescent-phase sera (1 160).

An acute complement fixation test antibody screen for "atypical" bacteria and respiratory viruses was also performed, which included Mycoplasma IgM antibody, M. pneumoniae, Chlamydia pneumoniae and C. psittaci, as well as Coxiella burnetii and Legionella pneumophila serogroup 1 6 in the post-vaccine study.

Persons meeting the clinical case definition were considered to have had laboratory-confirmed coccidioidomycosis if a complement fixation (CF) antibody titer of >1 2 was present or if either of the immunodiffusion tests showed a band of identity.

None were found in 39 Fort Dix soldiers who received influenza vaccine in February 1976 (group 1), and none were found among 27 hospitalized soldiers from posts other than Fort Dix who had >4-fold rises in complement fixation (CF) antibody to influenza A (group 2) (7 ).

IgG or IgM binds to the new antigen on the blood cells, lysing blood cells via either complement fixation or antibody-dependent cell cytotoxicity.