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Household transmission of SARS-CoV-2 Omicron variant of concern subvariants BA.1 and BA.2 in Denmark

Nature Communications, 2022
In this study, the authors use household data from Denmark to investigate the transmissibility of the BA.1 and BA.2 Omicron SARS-CoV-2 subvariants. They find that the secondary attack rate was higher for BA.2, but that it had higher infectiousness only ...
Frederik Plesner Lyngse, Carsten Thure Kirkeby, Matthew Denwood, Lasse Engbo Christiansen, Kåre Mølbak, Camilla Holten Møller, Robert Leo Skov, Tyra Grove Krause, Morten Rasmussen, Raphael Niklaus Sieber, Thor Bech Johannesen, Troels Lillebaek, Jannik Fonager, Anders Fomsgaard, Frederik Trier Møller, Marc Stegger, Maria Overvad, Katja Spiess, Laust Hvas Mortensen   +18 more
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Household transmission of the SARS-CoV-2 Omicron variant in Denmark

Nature Communications, 2022
In this study, the authors compare the transmission dynamics of the Delta and Omicron SARS-CoV-2 variants using household data from Denmark. They find that Omicron has a higher secondary attack rate, and that the odds of infection with Omicron was higher
Frederik Plesner Lyngse, Laust Hvas Mortensen, Matthew J. Denwood, Lasse Engbo Christiansen, Camilla Holten Møller, Robert Leo Skov, Katja Spiess, Anders Fomsgaard, Ria Lassaunière, Morten Rasmussen, Marc Stegger, Claus Nielsen, Raphael Niklaus Sieber, Arieh Sierra Cohen, Frederik Trier Møller, Maria Overvad, Kåre Mølbak, Tyra Grove Krause, Carsten Thure Kirkeby   +18 more
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A Danish questionnaire study of acute symptoms of SARS-CoV-2 infection by variant, vaccination status, sex and age

Scientific Reports, 2023
It is not well-described how the acute symptoms of infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) differ by variant, vaccination, sex and age.
Anna Irene Vedel Sørensen, Lampros Spiliopoulos, Peter Bager, Nete Munk Nielsen, Jørgen Vinsløv Hansen, Anders Koch, Inger Kristine Meder, Anders Hviid, Steen Ethelberg   +8 more
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A hybrid register and questionnaire study of Covid-19 and post-acute sick leave in Denmark

Nature Communications, 2023
Post-acute sick leave is an underexplored indicator of the societal burden of SARS-CoV-2. Here,  we report findings about self-reported sick leave and risk factors thereof from a hybrid survey and register study, which include 37,482 RT-PCR confirmed ...
Elisabeth O’Regan, Ingrid Bech Svalgaard, Anna Irene Vedel Sørensen, Lampros Spiliopoulos, Peter Bager, Nete Munk Nielsen, Jørgen Vinsløv Hansen, Anders Koch, Steen Ethelberg, Anders Hviid   +9 more
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A nationwide questionnaire study of post-acute symptoms and health problems after SARS-CoV-2 infection in Denmark

Nature Communications, 2022
The health impacts associated with SARS-CoV-2 infection are still not well understood. Here, the authors report findings from a survey of ~150,000 people in Denmark, and identify elevated risks associated with testing positive for SARS-CoV-2 for a range ...
Anna Irene Vedel Sørensen, Lampros Spiliopoulos, Peter Bager, Nete Munk Nielsen, Jørgen Vinsløv Hansen, Anders Koch, Inger Kristine Meder, Steen Ethelberg, Anders Hviid   +8 more
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Enteroaggregative Escherichia coli in Daycare – A One-Year Dynamic Cohort Study.

Frontiers in Cellular and Infection Microbiology, 2016
Enteroaggregative Escherichia coli (EAEC) has been associated with persistent diarrhea, reduced growth acceleration, and failure to thrive in children living in developing countries and with childhood diarrhea in general in industrialized countries.
Betina Hebbelstrup Jensen, Christen Rune Stensvold, Carsten Struve, Katharina E. P. Olsen, Flemming Scheutz, Nadia Boisen, Dennis Röser, Dennis Röser, Bente Utoft Andreassen, Henrik Vedel Nielsen, Kristian Schønning, Andreas Munk Petersen, Andreas Munk Petersen, Andreas Munk Petersen, Karen A Krogfelt   +14 more
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Effect of vaccination on household transmission of SARS-CoV-2 Delta variant of concern

Nature Communications, 2022
COVID-19 vaccines may reduce the susceptibility of an individual to infection and/or the infectiousness of breakthrough infections. Here, the authors use data from Denmark and estimate that vaccine effectiveness was 61% for susceptibility and 31% for ...
Frederik Plesner Lyngse, Kåre Mølbak, Matt Denwood, Lasse Engbo Christiansen, Camilla Holten Møller, Morten Rasmussen, Arieh Sierra Cohen, Marc Stegger, Jannik Fonager, Raphael Niklaus Sieber, Kirsten Maren Ellegaard, Claus Nielsen, Carsten Thure Kirkeby   +12 more
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Entamoeba gingivalis: epidemiology, genetic diversity and association with oral microbiota signatures in North Eastern Tanzania

Journal of Oral Microbiology, 2021
Background Entamoeba gingivalis has been associated with periodontal diseases. Baseline data from the background population, which could help delimit the role of the parasite in health and disease, remain limited.
Christen Rune Stensvold, Michelle Nielsen, Vito Baraka, Rolf Lood, Kurt Fuursted, Henrik Vedel Nielsen   +5 more
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Immunogenicity of a freeze-dried combined vaccine against Rift Valley fever and bovine ephemeral fever in cattle

Open Veterinary Journal, 2023
Background: The target of vaccination is to encourage a strong, covering and long-lasting immune response against antigens. For achieving these objectives; effective adjuvant and new vaccine strategies are demanded to make the vaccine sufficiently ...
Naglaa Ebrahim Aly, Mohamed Hassan Atwa, Amany Mohamed Abbas, Diana Mohamed Abulmagd, Zeinab Taha Salem, Taradi Abdelfattah Sayed   +5 more
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Effect of the 13-valent pneumococcal conjugate vaccine on nasopharyngeal carriage by respiratory pathogens among Greenlandic children

International Journal of Circumpolar Health, 2017
Background: In 2010, Greenland introduced the 13-valent pneumococcal conjugate vaccine (Prevnar 13®– PCV-13) in the childhood immunisation program. The authors aimed to evaluate the impact of PCV-13 on nasopharyngeal carriage of bacteria frequently ...
Johan Emdal Navne, Anders Koch, Hans-Christian Slotved, Mikael Andersson, Mads Melbye, Karin Ladefoged, Malene Børresen   +6 more
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