Karin Nygård
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Estimating the trend of COVID-19 in Norway by combining multiple surveillance indicators Open
Estimating the trend of new infections was crucial for monitoring risk and for evaluating strategies and interventions during the COVID-19 pandemic. The pandemic revealed the utility of new data sources and highlighted challenges in interp…
View article: Modeling geographic vaccination strategies for COVID-19 in Norway
Modeling geographic vaccination strategies for COVID-19 in Norway Open
Vaccination was a key intervention in controlling the COVID-19 pandemic globally. In early 2021, Norway faced significant regional variations in COVID-19 incidence and prevalence, with large differences in population density, necessitating…
View article: Modeling geographic vaccination strategies for COVID-19 in Norway
Modeling geographic vaccination strategies for COVID-19 in Norway Open
1 Abstract Vaccination was a key intervention in controlling the COVID-19 pandemic globally. In early 2021, Norway faced significant regional variations in COVID-19 incidence and prevalence, with large differences in population density, ne…
Assessing Public Health Preparedness and Response in the European Union. A Review of Eu-Level Simulation Exercises and After Action Reviews Open
Background: In order to improve preparedness and response capacities in the European Union, a good overview of capacities at both country and union level is needed. The International Health Regulations (2005) Monitoring and Evaluation fram…
No evidence for added value of introducing mandatory COVID-19 testing for international travellers entering Norway with a valid EU digital COVID certificate Open
Our findings suggest that the benefit of mandatory testing of all international travellers to Norway was marginal in the period directly after the emergence of the omicron variant. This result must be understood in the context of free of c…
View article: Secondary Attack Rates for Omicron and Delta Variants of SARS-CoV-2 in Norwegian Households
Secondary Attack Rates for Omicron and Delta Variants of SARS-CoV-2 in Norwegian Households Open
This nationwide registry data study from Norway assesses the secondary attack rate of SARS-CoV-2 variants Delta and Omicron in an effort to estimate the transmissibility of the Omicron variant.
View article: Impacts of climate change on drinking water quality in Norway
Impacts of climate change on drinking water quality in Norway Open
Climate change will lead to higher temperatures, increased precipitation and runoff, as well as more intense and frequent extreme weather events in Norway. More extreme rainfall and increased runoff are historically associated with higher …
Increased household transmission and immune escape of the SARS-CoV-2 Omicron variant compared to the Delta variant: evidence from Norwegian contact tracing and vaccination data Open
Understanding the rapid epidemic growth of the novel SARS-CoV-2 Omicron variant is critical for public health management. We compared the secondary attack rate (SAR) of the Omicron and Delta variants in households using Norwegian contact t…
View article: SARS-CoV-2 infections and hospitalisations among immigrants in Norway-significance of occupation, household crowding, education, household income and medical risk: a nationwide register study
SARS-CoV-2 infections and hospitalisations among immigrants in Norway-significance of occupation, household crowding, education, household income and medical risk: a nationwide register study Open
Background: As in other countries, the COVID-19 pandemic has affected Norway’s immigrant population disproportionately, with significantly higher infection rates and hospitalisations. The reasons for this are uncertain. Methods: Through th…
View article: Increased household transmission and immune escape of the SARS-CoV-2 Omicron variant compared to the Delta variant: evidence from Norwegian contact tracing and vaccination data
Increased household transmission and immune escape of the SARS-CoV-2 Omicron variant compared to the Delta variant: evidence from Norwegian contact tracing and vaccination data Open
Understanding the rapid epidemic growth of the novel SARS-CoV-2 Omicron variant is critical for public health management. We compared the secondary attack rate (SAR) of the Omicron and Delta variants in households using Norwegian contact t…
Statement on the Use of Untreated Manure Containing Raw Sewage Open
The Norwegian department of agriculture decided to re-evaluate the Regulation No. 951 of 4 July 2003 on fertilizers and soil improvers of organic origin. The Norwegian Food Safety Authority (NFSA) requested VKM for a statement on the use o…
Risk Assessment on Use of Lactobacillus rhamnosus (LGG) as an Ingredient in Infant Formula and Baby Foods (II) Open
On 10. March 2006 , The Norwegian Food Safety Authority (Mattilsynet) decided that, on the basis of VKM’s previous risk assessment (2005), Nutramigen 1 with Lactobacillus rhamnosus GG (LGG) could not be marketed in Norway as medical foods …
Risk Assessment of Import and Dissemination of Intestinal Pathogenic Bacteria via Fresh Herbs and Leafy Vegetables from South-East Asia Open
Several studies have demonstrated that fresh herbs and green or leafy vegetables can be contaminated by intestinal pathogenic bacteria such as Salmonella spp. Although systematic surveys are probably not conducted in any countries some pla…
Assessment of Risk of Introduction of Echinococcus multilocularis to Mainland Norway Open
In the light of the recent findings of the tapeworm Echinococcus multilocularis (EM) in four red foxes from three different locations in Sweden, the Norwegian Scientific Committee for Food Safety (Vitenskapskomiteen; VKM), Panel of Biologi…
View article: Comprehensive Contact Tracing, Testing and Sequencing Show Limited Transmission of SARS-CoV-2 between Children in Schools in Norway, August 2020 to May 2021
Comprehensive Contact Tracing, Testing and Sequencing Show Limited Transmission of SARS-CoV-2 between Children in Schools in Norway, August 2020 to May 2021 Open
The role of children in the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in schools has been a topic of controversy. In this study among school contacts of SARS-CoV-2 positive children in 43 contact-investigations…
The First GAEN-Based COVID-19 Contact Tracing App in Norway Identifies 80% of Close Contacts in “Real Life” Scenarios Open
The coronavirus disease 2019 (COVID-19) response in most countries has relied on testing, isolation, contact tracing, and quarantine (TITQ), which is labor- and time-consuming. Therefore, several countries worldwide launched Bluetooth-base…
View article: Increased risk of hospitalisation and intensive care admission associated with reported cases of SARS-CoV-2 variants B.1.1.7 and B.1.351 in Norway, December 2020 –May 2021
Increased risk of hospitalisation and intensive care admission associated with reported cases of SARS-CoV-2 variants B.1.1.7 and B.1.351 in Norway, December 2020 –May 2021 Open
Introduction Since their emergence, SARS-CoV-2 variants of concern (VOC) B.1.1.7 and B.1.351 have spread worldwide. We estimated the risk of hospitalisation and admission to an intensive care unit (ICU) for infections with B.1.1.7 and B.1.…
Increased transmissibility of the alpha SARS-CoV-2 variant: evidence from contact tracing data in Oslo, January to February 2021 Open
Our study suggests that households are the primary locations for rapid transmission of the new lineage alpha.
Occupational risk of COVID-19 in the first versus second epidemic wave in Norway, 2020 Open
Background The occupational risk of COVID-19 may be different in the first versus second epidemic wave. Aim To study whether employees in occupations that typically entail close contact with others were at higher risk of SARS-CoV-2 infecti…
View article: No difference in risk of hospitalisation between reported cases of the SARS-CoV-2 Delta variant and Alpha variant in Norway
No difference in risk of hospitalisation between reported cases of the SARS-CoV-2 Delta variant and Alpha variant in Norway Open
Objectives To estimate the risk of hospitalisation among reported cases of the Delta-variant of SARS-CoV-2 compared to the Alpha variant in Norway. We also estimated the risk of hospitalisation by vaccination status. Methods We conducted a…
Assessment of Benefits and Risks of Probiotics in Processed Cerealbased Baby Foods Bifidobacterium Lactis Bb12 Open
The Norwegian Scientific Committee for Food Safety (VKM) has appointed an ad hoc-group of experts to answer a request from the Norwegian Food Safety Authority regarding benefit and risk assessment of B. lactis Bb12 in baby foods focusing o…
Assessment of Benefits and Risks of Probiotics in Processed Cereal-based Baby Foods Lactobacillus Paracasei ssp. Paracasei F19 Open
The Norwegian Scientific Committee for Food Safety (VKM) has appointed an ad hoc-group of experts to answer a request from the Norwegian Food Safety Authority regarding benefit and risk assessment of Lactobacillus paracasei ssp. paracasei …