Elimination of viral infection risk from blood samples for allergy testing

Allergy ◽  
1993 ◽  
Vol 48 (3) ◽  
pp. 207-208 ◽  
Author(s):  
L. K. Poulsen ◽  
T. B. Sørensen
Keyword(s):  
Viral Infection ◽  
Infection Risk ◽  
Blood Samples ◽  
Allergy Testing

scholarly journals Seroprevalence and risk factors associated with infection by Neospora caninum of dairy cattle in the state of Alagoas, Brazil

2012 ◽  
Vol 32 (10) ◽  
pp. 1009-1013 ◽  
Author(s):  
Maria E. Sousa ◽  
J.N. Porto Wagnner ◽  
Pedro P.F. Albuquerque ◽  
Orestes L. Souza Neto ◽  
Eduardo B. Faria ◽  
...  
Keyword(s):  
Risk Factors ◽  
Dairy Cattle ◽  
Indirect Immunofluorescence ◽  
Neospora Caninum ◽  
Infection Risk ◽  
Control Measures ◽  
Risk Indicators ◽  
Blood Samples ◽  
Factors Associated ◽  
Serological Investigation

The objective of this study was to investigate the prevalence of anti-Neospora caninum antibodies in cattle from milk producing farms of the microregion of Batalha, state of Alagoas, Brazil, as well as to identify the risk factors associated with the infection. Blood samples were collected from 1,004 cattle of 17 farms for the serological investigation regarding the presence of anti-N. caninum antibodies by the Indirect Immunofluorescence Reaction Technique (IMRT). From the total amount of samples analyzed, 77/1,004 (7.67%) were positive and 927/1,004 (92.33%) were negative. The logistical regression identified that cattle from farms without consortium breeding have an infection risk 6.33 (p<0.001; C.I. 2.89-13.10) times higher than cattle from farms with that type of breeding. Cattle from farms where the aborted fetuses are not adequately buried have an infection risk 3.04 (p<0.001; C.I. 1.64-5.63) times higher than cattle from farms with adequate destination of these fetuses. Infection by N. caninum occurs in cattle of the investigated region. The factors identified in our study can be used as risk indicators, so that control measures could be implemented to avoid infection by N. caninum in the herds of this region.

Comparison of viral infection risk between organic and conventional crops of tomato in Spain

2019 ◽  
Vol 155 (4) ◽  
pp. 1145-1154 ◽  
Author(s):  
E. Lázaro ◽  
C. Armero ◽  
J. Roselló ◽  
J. Serra ◽  
M. J. Muñoz ◽  
...  
Keyword(s):  
Viral Infection ◽  
Infection Risk

scholarly journals THE INFORMATIVE VALUE OF IMMUNOLOGICAL AND GENETIC TESTS IN THE DIAGNOSIS WEST NILE FEVER

2020 ◽  
Vol 76 (4) ◽  
pp. 42-45
Author(s):  
Т.V. Zamarina ◽  
◽  
N.P. Khrapova ◽  
I.A. Barkova ◽  
E.V. Pimenova ◽  
...  
Keyword(s):  
Viral Infection ◽  
Viral Rna ◽  
Unknown Etiology ◽  
West Nile Fever ◽  
West Nile ◽  
Respiratory Viral Infection ◽  
Blood Samples ◽  
Monitoring Centre ◽  
Laboratory Confirmation ◽  
Acute Respiratory Viral Infection

We used ELISA and PCR for laboratory verification of West Nile fever (MUC 4.2.3009-12). We analyzed serum and whole blood samples which had been sent to West Nile fever reference monitoring centre in 2018–2019. A total of 270 blood samples obtained from patients with presumed viral encephalitis of unknown etiology, acute respiratory viral infection, acute respiratory viral infection, meningitis, acute gastroenteritis were analyzed. Antibodies against WNV were detected in 193 (71,4 %) blood samples, while 146 samples were found to be capable of developing an immune response with viral RNA not being detected in them. Both WNV antibodies and viral RNA were detected in 47 (17,4 %) samples tested. WNV RNA was detected in only 14 (5,1 %) cases. Thus, laboratory confirmation of WNF was obtained in 76,6 % of cases (207 out of 270).

scholarly journals Clinical manifestations of new coronavirus infection (COVID-19) in children admitted to hospital

2021 ◽  
Vol 66 (5) ◽  
pp. 88-96
Author(s):  
D. I. Sadykova ◽  
S. V. Khaliullina ◽  
V. A. Anokhin ◽  
A. I. Ziatdinov ◽  
S. A. Senek ◽  
...  
Keyword(s):  
Risk Factors ◽  
Viral Infection ◽  
Clinical Picture ◽  
Clinical Manifestations ◽  
Infection Risk ◽  
Hospitalized Children ◽  
Respiratory Viral Infection ◽  
Laboratory Features ◽  
Infection Risk Factors ◽  
Coronavirus Infection

Objective. To describe clinical and laboratory features of COVID-19 in children admitted to the hospital.Children characteristics and research methods. The authors carried out a retrospective observational study, which included 204 children admitted to the Kazan hospital with a diagnosis of “new coronavirus infection” in the period from May 1 to October 30, 2020.Results. It was revealed that all hospitalized children had RNA of the SARS-CoV-2 virus (100%) in a smear from the nasopharynx and oropharynx detected by PCR and only 50% of patients were diagnosed with lung tissue lesions by computed tomography. The clinical picture of COVID-19 in children most often corresponds to the classic manifestations of a respiratory viral infection. Risk factors for the development of severe forms, described in adults, were recorded only in isolated cases in our study.Conclusion. The clinical picture of COVID-19 in children most often corresponds to the classic manifestations of a respiratory viral infection. Risk factors for the development of severe forms, described in adults, were recorded in isolated cases in our study.

scholarly journals The 100 billion dollar virus

2014 ◽  
pp. 42-45
Author(s):  
Ciara Harty
Keyword(s):  
Hepatitis C ◽  
Viral Infection ◽  
Blood Test ◽  
Blood Samples

It’s a Tuesday sunny afternoon; Mark is lying out in the back garden on a well-deserved break from work. He could easily stay there all afternoon, chilling out reading his book but he has a doctor’s appointment at three o’clock. “It’s only a check-up, maybe I could give it a miss, I do feel perfectly healthy” he thinks. Mark decided to go to the doctor’s appointment convincing himself it wouldn’t take long and he would feel great about himself afterwards. That evening after the appointment Mark didn’t feel as good as he’d expected. The doctor had taken blood samples which were being sent away for testing with suspicion of a viral infection in his liver. This obviously worried Mark but also confused him as he felt fine. The results of the blood test show Mark is infected with a virus called Hepatitis C (HCV). It is causing damage to his ...

scholarly journals Deducing the Dose-response Relation for Coronaviruses from COVID-19, SARS and MERS Meta-analysis Results

2020 ◽  
Author(s):  
Xiaole Zhang ◽  
Jing Wang
Keyword(s):  
Systematic Review ◽  
Viral Infection ◽  
Dose Response ◽  
Meta Analysis ◽  
A Priori ◽  
Exposure Dose ◽  
Infection Risk ◽  
Transmission Risk ◽  
Viral Shedding ◽  
Shed Light

AbstractThe fundamental dose-response relation is still missing for better evaluating and controlling the transmission risk of COVID-19. A recent study by Chu et al. has indicated that the anticipated probability of viral infection is about 12.8% within 1 m and about 2.6% at further distance through a systematic review and meta-analysis. This important information provides us a unique opportunity to assess the dose-response relation of the viruses, if reasonable exposure dose could be estimated. Here we developed a simple framework to integrate the a priori dose-response relation for SARS-CoV based on mice experiments, and the recent data on infection risk and viral shedding, to shed light on the dose-response relation for human. The developed dose-response relation is an exponential function with a constant k in the range of 6.19×104 to 7.28×105 virus copies. The result mean that the infection risk caused by one virus copy in viral shedding is about 1.5×10−6 to 1.6×10−5. The developed dose-response relation provides a tool to quantify the magnitude of the infection risk.

scholarly journals SARS-CoV-2 infection risk assessment in the endometrium: viral infection-related gene expression across the menstrual cycle

2020 ◽  
Vol 114 (2) ◽  
pp. 223-232 ◽  
Author(s):  
Ismael Henarejos-Castillo ◽  
Patricia Sebastian-Leon ◽  
Almudena Devesa-Peiro ◽  
Antonio Pellicer ◽  
Patricia Diaz-Gimeno
Keyword(s):  
Gene Expression ◽  
Risk Assessment ◽  
Menstrual Cycle ◽  
Viral Infection ◽  
Infection Risk ◽  
Related Gene
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