62 research outputs found

    Suitability of new Information and Communication Technologies for the increase of the internationality of research and development - opportunities and limits

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    Die vorliegende Arbeit betrachtet den Zusammenhang zwischen der Internationalisierung unternehmensinterner Forschungs- und EntwicklungsaktivitĂ€ten sowie neuer Informations- und Kommunikationstechnik. Es lĂ€sst sich feststellen, dass der Bereich der Forschung und Entwicklung bisher nicht in dem Maße internationalisiert ist, wie dies etwa bei anderen Funktionsbereichen festzustellen ist. Neue Informations- und Kommunikationstechnik erlaubt hingegen einen weitreichend ungehinderten grenzĂŒberschreitenden Informationsaustausch. Auf Basis des Informationsverarbeitungsansatzes werden Aussagen bezĂŒglich der Möglichkeiten und Grenzen der neuen Informations - und Kommunikationstechnik in bezug auf eine Erhöhung der InternationalitĂ€t von Forschungs- und EntwicklungsaktivitĂ€ten generiert. Hierzu werden einerseits Barrieren der Internationalisierung, andererseits typische Konfigurationsmuster internationaler F&E-AktivitĂ€ten untersucht.This study deals with the connection between the internationalization of corporate research and development activities on the one hand and new information and communication technologies on the other hand. It can be stated that research and development so far has not been internationalized to the extent witch has been perceived in other functional areas. New information and communication technologies, however, permit an extensively unhindered transnational information exchange. Based on the information processing theory statements are generated regarding the opportunities and limits of the new information and communication technologies in the context of an increase of the internationalization of research and development. In order to do so barriers of the internationalization are examined, as well as typical configuration samples of international R&D activities

    Longitudinal change in SARS-CoV-2 seroprevalence in 3-to 16-year-old children: the Augsburg Plus study

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    BACKGROUND: Currently, more than 30,200,000 COVID-19 cases have been diagnosed in Germany alone. However, data regarding prevalence of COVID-19 in children, both in Germany and internationally, are sparse. We sought to evaluate the number of infected children by measuring IgG antibodies. METHODS: Oropharyngeal swabs were collected between December 2020 and August 2021 to measure SARS-CoV-2, and capillary blood for the detection of SARS-CoV-2 antibodies (by rapid test NADAL¼ and filter paper test Euroimmun¼ ELISA); venous blood was taken for validation (Roche¼ ECLIA and recomLine Blot) in 365 German children aged 3–16 years from 30 schools and preschools. We used multiple serological tests because the filter paper test Euroimmun¼ ELISA performs better in terms of sensitivity and specificity than the rapid test NADAL¼. The Roche¼ ECLIA test is used to detect SARS-CoV-2 spike protein, and the recomLine Blot test is used to rule out the possibility of infection by seasonal SARS-viruses and to test for specific SARS-CoV-2 proteins (NP, RBD and S1). In addition, one parent each (n = 336), and 4–5 teachers/caregivers (n = 90) per institution were tested for IgG antibodies from capillary blood samples. The total study duration was 4 months per child, including the first follow-up after 2 months and the second after 4 months. RESULTS: Of 364 children tested at baseline, 3.6% (n = 13) were positive for SARS-CoV-2 IgG antibodies using Euroimmun¼ ELISA. Seven children reported previously testing positive for SARS-CoV-2; each of these was confirmed by the Roche¼ Anti-SARS-CoV-2-ECLIA (antibody to spike protein 1) test. SARS-CoV-2 IgG antibodies persisted over a 4-month period, but levels decreased significantly (p = 0.004) within this timeframe. The median IgG values were 192.0 BAU/ml [127.2; 288.2], 123.6 BAU/ml [76.6; 187.7] and 89.9 BAU/ml [57.4; 144.2] at baseline, 2 months and 4 months after baseline, respectively. During the study period, no child tested positive for SARS-CoV-2 by oropharyngeal swab. A total of 4.3% of all parents and 3.7% of teachers/caregivers tested positive for IgG antibodies by Euroimmun¼ ELISA at baseline. CONCLUSION: We noted a rather low seroprevalence in children despite an under-reporting of SARS-CoV-2 infections. Measurement of IgG antibodies derived from capillary blood appears to be a valid tool to detect asymptomatic infections in children. However, no asymptomatic active infection was detected during the study period of 4 months in the whole cohort. Further data on SARS-CoV-2 infections in children are needed, especially in the group of <5-year-olds, as there is currently no licensed vaccine for this age group in Germany. The Robert Koch Institute’s Standing Commission on Vaccination (STIKO) recommended COVID-19 vaccination for 12–17 and 5–11 year olds in August 2021 and May 2022 respectively

    Surveillance of acute SARS-CoV-2 infections in elementary schools and daycare facilities in Bavaria, Germany (09/2020–03/2021)

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    Introduction: Here we report our results of a multi-center, open cohort study ("COVID-Kids-Bavaria") investigating the distribution of acute SARS-CoV-2 infections among children and staff in 99 daycare facilities and 48 elementary schools in Bavaria, Germany. Materials and Methods: Overall, 2,568 children (1,337 school children, 1,231 preschool children) and 1,288 adults (466 teachers, 822 daycare staff) consented to participate in the study and were randomly tested in three consecutive phases (September/October 2020, November/December 2020, March 2021). In total, 7,062 throat swabs were analyzed for SARS-CoV-2 by commercial RT-PCR kits. Results: In phase I, only one daycare worker tested positive. In phase II, SARS-CoV-2 was detected in three daycare workers, two preschool children, and seven school children. In phase III, no sample tested positive. This corresponds to a positive test rate of 0.05% in phase I, 0.4% in phase II and 0% in phase III. Correlation of a positive PCR test result with the local-7-day incidence values showed a strong association of a 7-day-incidence of more than 100/100,000 as compared to &lt;100/100,000 (OR = 10.3 [1.5-438], p &lt; 0.005). After phase III, antibody testing was offered to 713 study participants in elementary schools. A seroprevalence rate of 7.7% (students) and 4.5% (teachers) was determined. Discussion: During the initial waves of the SARS-CoV-2 pandemic, the risk of a positive SARS-CoV-2 result correlated positively with the local 7-day incidence. Hence, the occurrence of SARS-CoV-2 infections were reflected in schools and daycare facilities. An increased risk of SARS-CoV-2 transmission in the setting of daycare and elementary schooling was unlikely

    Peanut‐induced anaphylaxis in children and adolescents: Data from the European Anaphylaxis Registry

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    Background Peanut allergy has a rising prevalence in high-income countries, affecting 0.5%-1.4% of children. This study aimed to better understand peanut anaphylaxis in comparison to anaphylaxis to other food triggers in European children and adolescents. Methods Data was sourced from the European Anaphylaxis Registry via an online questionnaire, after in-depth review of food-induced anaphylaxis cases in a tertiary paediatric allergy centre. Results 3514 cases of food anaphylaxis were reported between July 2007 - March 2018, 56% in patients younger than 18 years. Peanut anaphylaxis was recorded in 459 children and adolescents (85% of all peanut anaphylaxis cases). Previous reactions (42% vs. 38%; p = .001), asthma comorbidity (47% vs. 35%; p < .001), relevant cofactors (29% vs. 22%; p = .004) and biphasic reactions (10% vs. 4%; p = .001) were more commonly reported in peanut anaphylaxis. Most cases were labelled as severe anaphylaxis (Ring&Messmer grade III 65% vs. 56% and grade IV 1.1% vs. 0.9%; p = .001). Self-administration of intramuscular adrenaline was low (17% vs. 15%), professional adrenaline administration was higher in non-peanut food anaphylaxis (34% vs. 26%; p = .003). Hospitalization was higher for peanut anaphylaxis (67% vs. 54%; p = .004). Conclusions The European Anaphylaxis Registry data confirmed peanut as one of the major causes of severe, potentially life-threatening allergic reactions in European children, with some characteristic features e.g., presence of asthma comorbidity and increased rate of biphasic reactions. Usage of intramuscular adrenaline as first-line treatment is low and needs to be improved. The Registry, designed as the largest database on anaphylaxis, allows continuous assessment of this condition

    Allergenspezifische Immuntherapie bei Kindern und Jugendlichen

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