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Although clinical presentation of influenza is often symptomatic, asymptomatic cases also occur. The knowledge of the incidence of asymptomatic influenza among healthcare workers is very important because of the risk of cross-transmission to hospitalized patients. The principal objective of the study is to estimate the incidence of symptomatic and asymptomatic influenza among healthcare workers in short-stay wards. The results of this study will lead to a better understanding of the burden of asymptomatic influenza among healthcare workers and might be used as an argument to increase influenza vaccine coverage among healthcare workers.
Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Prevention
Blood sampling, Nasal swab
Edouard Herriot Hospital; Department of Epidemiology, Hygiene and Public Health
Lyon cedex 03
Not yet recruiting
Hospices Civils de Lyon
Published on BioPortfolio: 2016-08-17T10:53:22-0400
The purpose of this clinical study is to obtain clearance for the nasal swab sample type by demonstrating the performance characteristics of the FLU A+B Test versus standard laboratory cul...
Influenza vaccination is recommended for all persons age 65 and older. Vaccines that are designed and tested in young healthy adults are often not as effective when used in the elderly. Th...
To estimate the incidence of H1N1v influenza-like illness and to study the risk factors for serious influenza forms during pandemic period in French HIV infected patients. - Definition...
To perform a variety of assays on blood, nasal washes, and cells obtained from healthy children for the purposes of further investigation of immune responses generated by influenza virus v...
Background: - The flu is a very infectious and contagious virus that affects both people and pigs. Studies show that pigs can be sources of the flu virus in humans. Researchers want to kn...
A prototype of a self-contained, automated, disposable device for chemically-amplified protein-based detection of influenza virus from nasal swab specimens was developed and evaluated in a clinical se...
We examined acceptability, preference and feasibility of collecting nasal and oropharyngeal swabs, followed by microbiome analysis, in a population-based study with 524 participants. Anterior nasal an...
The pulsatile secretion of adrenocortical hormones and a stress reaction occurring when starting adrenal vein sampling (AVS) can affect the selectivity and also the assessment of lateralization when s...
A series of new simplified oleanolic acid saponins with a glycosyl ester moiety at C28, were efficiently prepared. Furthermore, the effect of nasal administration of the synthetic oleanolic acid sapon...
Influenza is a contagious respiratory illness caused by influenza viruses A and B in humans and causes a significant amount of morbidity and mortality every year. The Influenza A and B assay was the f...
Sampling of blood levels of the adrenocorticotropic hormone (ACTH) by withdrawal of blood from the inferior petrosal sinus. The inferior petrosal sinus arises from the cavernous sinus and runs to the internal jugular vein. Sampling of blood at this level is a valuable tool in the differential diagnosis of Cushing disease, Cushing syndrome, and other adrenocortical diseases.
The type species of the genus INFLUENZAVIRUS A that causes influenza and other diseases in humans and animals. Antigenic variation occurs frequently between strains, allowing classification into subtypes and variants. Transmission is usually by aerosol (human and most non-aquatic hosts) or waterborne (ducks). Infected birds shed the virus in their saliva, nasal secretions, and feces.
A sampling methodology using small sample sizes when conducting surveys in small geographical or population-based areas or lots.
Fluid obtained by irrigation or washout of the nasal cavity and NASAL MUCOSA. The resulting fluid is used in cytologic and immunologic assays of the nasal mucosa such as with the NASAL PROVOCATION TEST in the diagnosis of nasal hypersensitivity.
Species of the genus INFLUENZAVIRUS B that cause HUMAN INFLUENZA and other diseases primarily in humans. Antigenic variation is less extensive than in type A viruses (INFLUENZA A VIRUS) and consequently there is no basis for distinct subtypes or variants. Epidemics are less likely than with INFLUENZA A VIRUS and there have been no pandemics. Previously only found in humans, Influenza B virus has been isolated from seals which may constitute the animal reservoir from which humans are exposed.
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Health care (or healthcare) is the diagnosis, treatment, and prevention of disease, illness, injury, and other physical and mental impairments in humans. Health care is delivered by practitioners in medicine, chiropractic, dentistry, nursing, pharmacy, a...