Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My Custom Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2010 1
2013 1
2018 2
2019 1
2021 3
2024 0

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

8 results

Results by year

Filters applied: . Clear all
Page 1
Comprehensive Contact Tracing, Testing and Sequencing Show Limited Transmission of SARS-CoV-2 between Children in Schools in Norway, August 2020 to May 2021.
Winje BA, Ofitserova TS, Brynildsrud OB, Greve-Isdahl M, Bragstad K, Rykkvin R, Hungnes O, Lund HM, Nygård K, Meijerink H, Brandal LT. Winje BA, et al. Among authors: rykkvin r. Microorganisms. 2021 Dec 14;9(12):2587. doi: 10.3390/microorganisms9122587. Microorganisms. 2021. PMID: 34946187 Free PMC article.
Household Transmission of SARS-CoV-2: A Prospective Longitudinal Study Showing Higher Viral Load and Increased Transmissibility of the Alpha Variant Compared to Previous Strains.
Julin CH, Robertson AH, Hungnes O, Tunheim G, Bekkevold T, Laake I, Aune IF, Killengreen MF, Strand TR, Rykkvin R, Dorenberg DH, Stene-Johansen K, Berg ES, Bodin JE, Oftung F, Steens A, Næss LM. Julin CH, et al. Among authors: rykkvin r. Microorganisms. 2021 Nov 17;9(11):2371. doi: 10.3390/microorganisms9112371. Microorganisms. 2021. PMID: 34835495 Free PMC article.
The 'Finnish new variant of Chlamydia trachomatis' escaping detection in the Aptima Combo 2 assay is widespread across Norway, June to August 2019.
Johansen TB, Kløvstad H, Rykkvin R, Herrfurth-Erichsen EB, Sorthe J, Njølstad G, Ebbesen MH, Nygaard RM, Sandmoen EK, Thilesen C, Onken A, Liljedal I, Hadad R, Unemo M. Johansen TB, et al. Among authors: rykkvin r. Euro Surveill. 2019 Oct;24(42):1900592. doi: 10.2807/1560-7917.ES.2019.24.42.1900592. Euro Surveill. 2019. PMID: 31640843 Free PMC article.