Safety of influenza vaccination in children with severe allergy to hen's eggs: a prospective case series study.

CONCLUSIONS: Influenza vaccination is safe even in children with histories of severe egg allergy. influenza vaccination without an allergic reaction. PMID: 27086959 [PubMed - in process]
Source: Allergology International - Category: Allergy & Immunology Tags: Arerugi Source Type: research

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In this study, we analyzed the immunoglobulin E (IgE) response to whole influenza vaccines in a pediatric case of delayed-onset anaphylaxis after influenza vaccination. The patient showed elevated specific IgE levels against whole influenza vaccines, especially with split virion from egg-based manufacturing process. Specific IgE levels to influenza vaccines showed decreased over. We evaluated a causal relationship between influenza vaccine and anaphylaxis event by enzyme-linked immunosorbent assay. Delayed-onset anaphylaxis after influenza vaccination can occur in children without predisposing allergic diseases. In additio...
Source: Allergy, Asthma and Immunology Research - Category: Allergy & Immunology Tags: Allergy Asthma Immunol Res Source Type: research
AbstractPurpose of ReviewAnaphylaxis is a rare, serious hypersensitivity reaction following vaccination, which is rapid in onset and characterized by multisystem involvement. Although anaphylaxis may occur after any vaccine, understanding the risk for this outcome, particularly following influenza vaccines, is important because of the large number of persons vaccinated annually.Recent FindingsTwo recent CDC safety studies confirmed the rarity of post-vaccination anaphylaxis. In a 25-year review of data from the Vaccine Adverse Event Reporting System (VAERS), reports in children were most common following childhood vaccinat...
Source: Current Treatment Options in Allergy - Category: Allergy & Immunology Source Type: research
Sean P. Saunders1, Erica G. M. Ma1,2, Carlos J. Aranda1 and Maria A. Curotto de Lafaille1,3* 1Division of Pulmonary, Critical Care and Sleep Medicine, Laboratory of Allergy and Inflammation, Department of Medicine, New York University, New York, NY, United States 2Sackler Institute of Graduate Biomedical Sciences, New York University, New York, NY, United States 3Department of Cell Biology, New York University School of Medicine, New York, NY, United States The long-term effectiveness of antibody responses relies on the development of humoral immune memory. Humoral immunity is maintained by long-lived plasma ce...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
We previously reported highly increased levels of specific IgE antibodies (sIgE) to vaccine component in children with influenza vaccine-induced anaphylaxis (J Allergy Clin Immunol 2016). We investigated whether inactivated influenza vaccine induces vaccine-specific IgE antibody in general population and sought risk factors of sensitization.
Source: Journal of Allergy and Clinical Immunology - Category: Allergy & Immunology Authors: Source Type: research
Discussion The most common allergic foods are cow’s milk (most common), egg, peanut, tree nut, soy, wheat, fish and shellfish. Egg, milk, soy and wheat tend to occur in young children and these are more likely to be outgrown over time. Peanut, tree nut, shellfish, and fish occur at all ages and are less likely to be outgrown. Peanut and tree nut allergies also tend to be more severe than other foods. Ninety percent of food fatalities were attributed to tree nuts and peanuts. In a study of anaphylaxis in schools, food was the most likely trigger (54%) with nuts and fruits being the most commonly identified foods. Co-f...
Source: PediatricEducation.org - Category: Pediatrics Authors: Tags: Uncategorized Source Type: news
CONCLUSION: Current guidelines for the treatment of anaphylactic reactions are to be observed. Immediate treatment of the first symptoms of an anaphylactic reaction-i.v. administration of adrenalin, antihistamines, cortisone, and in some cases betamimetics-can usually prevent anaphylactic shock. Alternatively, a graded vaccination ("split protocol") and overnight surveillance can be considered in this group of patients. PMID: 28540396 [PubMed - as supplied by publisher]
Source: HNO - Category: ENT & OMF Tags: HNO Source Type: research
We describe SAEFVIC's initial investigation and upon conclusion of the 2015 influenza vaccination programme, to define the signal event and implications for vaccine programmes. Allergy-related AEFI were defined as anaphylaxis, angioedema, urticaria or generalised allergic reaction. Investigations compared 2015 TIV AEFI reports to previous years as proportions and reporting risk (RR) per 100,000, stratified by influenza vaccine brand. The initial investigation showed an increased proportion of allergy-related AEFI compared with 2014 (25% vs 12%), predominantly in adults, with insufficient clinical severity to alter the prog...
Source: Eurosurveillance - Category: Infectious Diseases Source Type: research
We describe SAEFVIC's initial investigation and upon conclusion of the 2015 influenza vaccination programme, to define the signal event and implications for vaccine programmes. Allergy-related AEFI were defined as anaphylaxis, angioedema, urticaria or generalised allergic reaction. Investigations compared 2015 TIV AEFI reports to previous years as proportions and reporting risk (RR) per 100,000, stratified by influenza vaccine brand. The initial investigation showed an increased proportion of allergy-related AEFI compared with 2014 (25% vs 12%), predominantly in adults, with insufficient clinical severity to alter the prog...
Source: Euro Surveill - Category: Infectious Diseases Authors: Tags: Euro Surveill Source Type: research
Abstract The efficacy and detrimental effect of mucosal vaccination with an inactivated influenza vaccine were examined in a macaque model by intranasal administration with small amounts of inactivated whole virus particles and challenge by a human-derived H5N1 highly pathogenic avian influenza virus infection. Repeated nasal inoculation with the whole particle vaccine of an inactivated virus, A/duck/Hokkaido/Vac-3/2007 (H5N1) (Vac-3), induced antigen-specific IgA and IgG antibody production in nasal swabs and plasma. Vac-3-specific IgE production was also found in the nasal swabs. Nasal vaccination with Vac-3 ind...
Source: Vaccine - Category: Allergy & Immunology Authors: Tags: Vaccine Source Type: research
Conclusions Most ALEs after immunization are not suggestive of anaphylaxis and should not be managed as such. The definition of anaphylaxis in the JTFPP guidelines is nonspecific and may need to be revisited. Restricting skin testing and graded dose reimmunization to patients whose ALE onset is ≤1 hour (compatible with IgE-mediated reaction) and to those meeting specific clinical criteria for anaphylaxis (whatever the timing) is likely a sufficiently sensitive and cautious approach.
Source: The Journal of Allergy and Clinical Immunology: In Practice - Category: Allergy & Immunology Source Type: research
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