The hemagglutination abilities (log2) of 1918N1+AH H5, 1918N1+1918H1, and 1918N1+09H1.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

By day 21, post-vaccination titers exceeded 1: 32 by hemagglutination-inhibition assay in.    From Wordnik.com.  [The Highlight HEALTH Network] Reference

To determine the hemagglutinating activity of the pps, a hemagglutination assay was performed.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Antibodies to the new H1N1sw virus were detected and quantified by the standard hemagglutination inhibition (HI) technique.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

T. cruzi infection as detected by ELISA, hemagglutination, and immunofluorescence exams, and by the parasite DNA signature.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Provence DL, Curtiss R III (1994) Isolation and characterization of a gene involved in hemagglutination by an avian pathogenic.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

We measured antibody titers using hemagglutination-inhibition and microneutralization assays at baseline and 21 days after vaccination.    From Wordnik.com.  [Medlogs - Recent stories] Reference

Next, 50-µL aliquots of 1% turkey red blood cells were added to each well and left to stand for 30 min; hemagglutination was then scored.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Similar to what was observed in the CSL vaccine study, 15% of subjects had detectable prevaccination levels of hemagglutination-inhibition antibody.    From Wordnik.com.  [The Highlight HEALTH Network] Reference

The infected cell culture supernatant was examined daily for hemagglutination (HA) activity using chicken RBCs, but this failed to detect virus growth.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

VLP vaccination induced predominant IgG2a antibody responses, high hemagglutination inhibition (HAI) titers, and recall IgG and IgA antibody responses.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Viral concentration in the nebulizer before and after aerosolization and in lung homogenates was determined by hemagglutination assay of infected MDCK cells.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

HA contents in purified influenza VLPs were estimated by hemagglutination activity assay and western blot in comparison with inactivated A/California/2009 virus.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

The remaining Chagas patient infections were identified by enzyme-linked immunosorbent assay (ELISA), hemagglutination and immunofluorescence assays, which showed specific anti.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

After 28 days, investigators assessed serum hemagglutination inhibition (HAI) titers in study participants, a standard measurement of the immune response to influenza vaccination.    From Wordnik.com.  [Emaxhealth] Reference

The hemagglutination activity of the VLPs (1 mg protein/ml) was found to have approximately 2,560 HA titers, which indicates the functional integrity of HA incorporated into VLPs.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

The data show that Novavax's trivalent seasonal influenza VLP vaccine induced a robust hemagglutination inhibition (HAI) antibody response against all three strains in the vaccine.    From Wordnik.com.  [DWS Pill Scribe] Reference

In the study, antibody titers to HA using a hemagglutination inhibition (HAI) assay were assessed in blood specimens obtained on the day of vaccination (Day 0) and 28 to 35 days later.    From Wordnik.com.  [Sanofi Pasteur Presents Phase III Data on Intradermal Microinjection of Influenza Vaccine - Yahoo! Finance] Reference

To investigate immune correlates for predicting protection, we determined hemagglutination inhibition (HAI) titers in immune sera collected 1, 3, and 5 weeks after immunization (Fig. 2EF).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

T. cruzi infections were detected in the family heads and in some descendants by ELISA, indirect hemagglutination, and immunofluorescence examination, consistently showing specific anti.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Novavax reported safety and hemagglutination inhibition (HAI) antibody titers from this study in a poster presentation at the 47th Annual Meeting of the Infectious Diseases Society of America (IDSA).    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

Viruses were propagated in 10-day old embryonated hens 'eggs and initial subtype identification was performed using standard hemagglutination-inhibition (HI) assays and neuraminidase inhibition assays.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

After 28 days following immunization, investigators assessed serum hemagglutination inhibition (HAI) titers in study participants, a standard measurement of the immune response to influenza vaccination.    From Wordnik.com.  [Medlogs - Recent stories] Reference

To further characterize the pps and to confirm the existence of HA activity in the combinations, the normalized pp samples generated from the nine combinations were subjected to a hemagglutination assay.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Thus, for a number of the APMV serotypes, the cleavage site sequence did not predict the cleavage phenotype All members of genus Avulavirus (APMV-1 to 9) have both hemagglutination and neuraminidase activities except for APMV-5.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Blood specimens were collected pre-vaccination and 21 to 28 days post-vaccination and standardized hemagglutination inhibition (HAI) antibody assays were performed by persons blinded to vaccine assignment to determine immunogenicity.    From Wordnik.com.  [Following Positive Phase II Data, Sanofi Pasteur to Conduct Phase III Trials of Quadrivalent Influenza Virus Vaccine - Yahoo! Finance] Reference

Titers (the concentration of the antibodies) were expressed as the reciprocal of the highest dilution of serum where hemagglutination (the clumping or clustering of red blood cells caused by certain viruses or antibodies) was prevented.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

Antigenic characterization data is based on hemagglutination inhibition (HI) testing using a panel of reference ferret antisera and results may not correlate with clinical protection against circulating viruses provided by influenza vaccination.    From Wordnik.com.  [America's North Shore Journal] Reference

By day 21, hemagglutination-inhibition and microneutralization antibody titers of 1: 40 or more were seen in 77 to 96% and 92 to 100% of subjects receiving MF59-adjuvanted vaccine, respectively, and in 63 to 72% and 67 to 76% of those receiving nonadjuvanted vaccine, respectively.    From Wordnik.com.  [Medlogs - Recent stories] Reference

Among the subjects receiving 15 µg of nonadjuvanted vaccine, a hemagglutination-inhibition titer of 1: 40 or more was achieved by day 21 in 74. 5% of subjects between 3 and 11 years of age, 97. 1% of subjects between 12 and 17 years, 97. 1% of subjects between 18 and 60 years, and.    From Wordnik.com.  [Medlogs - Recent stories] Reference

The coprimary immunogenicity end points were the proportion of subjects with antibody titers of 1: 40 or more on hemagglutination-inhibition assay, the proportion of subjects with either seroconversion or a significant increase in antibody titer, and the factor increase in the geometric mean titer.    From Wordnik.com.  [Medlogs - Recent stories] Reference

Fig. 3); the naïve combination 09N1+09H1 displayed the highest level of hemagglutination.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Interestingly, the 09N1+1918H1 pps, which showed the greatest infectivity, did not display the highest level of hemagglutination (.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Treponemal hemagglutination assay TPHA.    From Wordnik.com.  [Getting Pregnant] Reference

1918 virus-like particles, SW/30 or NJ/76 had hemagglutination-inhibition activity (titer ≥.    From Wordnik.com.  [Watching the Watchers] Reference