نتایج جستجو برای: hemagglutination inhibition

تعداد نتایج: 330150  

Journal: :Pathobiology : journal of immunopathology, molecular and cellular biology 2007
Neetu Kukreja Naveen Arora Bhanu Pratap Singh Hasi Rani Das Susheela Sridhara

OBJECTIVE Attachment to host matrix is an important provisory step for the institution of any fungal infection. The present study investigates the role of glycoproteins of Epicoccum purpurascens in host-fungal adherence. METHODS Epicoccum spore-mycelial extract was fractionated on a concanavalin A-Sepharose column. Three glycoproteins of 12, 17 and 33 kDa (Epi p 1) were electroeluted and chec...

2015
Rogier Bodewes Ana Rubio García Sophie M. Brasseur Guillermo J. Sanchez Conteras Marco W. G. van de Bildt Marion P. G. Koopmans Albert D. M. E. Osterhaus Thijs Kuiken Daniel E Crocker

In the spring and summer 2014, an outbreak of seal influenza A(H10N7) virus infection occurred among harbor seals (Phoca vitulina) off the coasts of Sweden and Denmark. This virus subsequently spread to harbor seals off the coasts of Germany and the Netherlands. While thousands of seals were reported dead in Sweden, Denmark and Germany, only a limited number of seals were found dead in the Neth...

2011
James McCracken Trauer Karen Louise Laurie Joseph McDonnell Anne Kelso Peter Gregory Markey

Pandemic (H1N1) 2009 influenza spread through the Northern Territory, Australia, during June-August 2009. We performed 2 cross-sectional serologic surveys on specimens from Northern Territory residents, with 445 specimens obtained prepandemic and 1,689 specimens postpandemic. Antibody titers were determined by hemagglutination inhibition against reference virus A/California/7/2009 on serum samp...

2013
Danuta M. Skowronski Flavia S. Moser Naveed Z. Janjua Bahman Davoudi Krista M. English Dale Purych Martin Petric Babak Pourbohloul

Cases of a novel swine-origin influenza A(H3N2) variant (H3N2v) have recently been identified in the US, primarily among children. We estimated potential epidemic attack rates (ARs) based on age-specific estimates of sero-susceptibility and social interactions. A contact network model previously established for the Greater Vancouver Area (GVA), Canada was used to estimate average epidemic (infe...

Journal: :Clinical and vaccine immunology : CVI 2012
Rita Czakó Robert L Atmar Antone R Opekun Mark A Gilger David Y Graham Mary K Estes

A hemagglutination inhibition (HAI) assay to assess serum antibody responses following Norwalk virus (NV) infection was developed. HAI activity increased significantly in individuals experimentally infected with NV (n = 18) and correlated with antibody levels measured in a histo-blood group antigen (HBGA) blocking assay. Prechallenge HAI antibody levels also correlated with protection from the ...

Journal: :The Journal of infectious diseases 2012
Elizabeth P Schlaudecker Monica M McNeal Caitlin N Dodd Joseph B Ranz Mark C Steinhoff

We report the immunogenicity of trivalent influenza immunization in 29 pregnant women compared with 22 nonpregnant women. We obtained blood specimens on day 0 prior to 2011-2012 influenza vaccine administration and day 28 after immunization. Hemagglutination inhibition (HAI) geometric mean titers were similar before immunization but were significantly reduced by 40%-50% in pregnant women after ...

Journal: :The Tohoku journal of experimental medicine 1971
S Ikeda S Chiba Y Chiba T Nakao S Fukui

IKEDA, S., CHIBA, S., CHIBA, Y., NAKAO, T. and Fuuui, S. Epidemiological, Clinical and Serological Studies on Epidemic of Mumps in an Infant Nursery. Tohoku J. exp. Med., 1971, 105 (4), 327-337 •\ Epidemiological, clinical and serological studies on the epidemic mumps were carried out in 47 infants in Central Babies Home, Sapporo. Furthermore by utilizing fluorescent antibody tests the influenc...

Journal: :Journal of clinical microbiology 1985
P Väänänen V M Häivä P Koskela O Meurman

Rubella virus antibodies were measured in 300 sera from pregnant women visiting a maternity center by using a new, simple latex test, Rubalex. The results were compared with those obtained by using hemolysis in gel, hemagglutination inhibition, and radioimmunoassay. The sensitivity of the latex test was 100, 98.0, and 99.6% when compared with hemolysis in gel, hemagglutination inhibition, and r...

2015
Adrian J. Reber Jin Hyang Kim Renata Biber H. Keipp Talbot Laura A. Coleman Tatiana Chirkova F. Liaini Gross Evelene Steward-Clark Weiping Cao Stacie Jefferson Vic Veguilla Eric Gillis Jennifer Meece Yaohui Bai Heather Tatum Kathy Hancock James Stevens Sarah Spencer Jufu Chen Paul Gargiullo Elise Braun Marie R. Griffin Maria Sundaram Edward A. Belongia David K. Shay Jacqueline M. Katz Suryaprakash Sambhara

Background.  Influenza disproportionately impacts older adults while current vaccines have reduced effectiveness in the older population. Methods.  We conducted a comprehensive evaluation of cellular and humoral immune responses of adults aged 50 years and older to the 2008-2009 seasonal trivalent inactivated influenza vaccine and assessed factors influencing vaccine response. Results.  Vaccina...

Journal: :Applied microbiology 1970
P R Robinson M R Allen M Marcovici

Modification of the pH of kaolin-serum treatment produces hemagglutination-inhibition test results comparable with the plaque neutralization test in duck embryo tissue culture; the standard treatment does not.

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