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 NCBI Filters

Results by year

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

Year Number of Results
2002 2
2004 1
2005 1
2006 3
2007 2
2008 3
2013 1
2014 1
2015 1
2016 1
2017 2
2018 2
2019 2
2020 1
2021 7
2022 14
2023 3
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

43 results

Results by year

Filters applied: . Clear all
Page 1
COVID-19 Transmission at Schools in Japan.
Akaishi T, Kushimoto S, Katori Y, Sugawara N, Igarashi K, Fujita M, Kure S, Takayama S, Abe M, Tanaka J, Kikuchi A, Abe Y, Imai H, Inaba Y, Iwamatsu-Kobayashi Y, Nishioka T, Onodera K, Ishii T. Akaishi T, et al. Among authors: igarashi k. Tohoku J Exp Med. 2021 Nov;255(3):239-246. doi: 10.1620/tjem.255.239. Tohoku J Exp Med. 2021. PMID: 34803121 Free article.
Influence of maternal postpartum depression on children's toothbrushing frequency.
Tsuchiya S, Tsuchiya M, Momma H, Nagatomi R, Arima T, Yaegashi N, Igarashi K; Japan Environment, Children’s Study Group. Tsuchiya S, et al. Among authors: igarashi k. Community Dent Oral Epidemiol. 2022 Aug;50(4):300-310. doi: 10.1111/cdoe.12672. Epub 2021 Jun 11. Community Dent Oral Epidemiol. 2022. PMID: 34117651
COVID-19 transmission in group living environments and households.
Akaishi T, Kushimoto S, Katori Y, Kure S, Igarashi K, Takayama S, Abe M, Tanaka J, Kikuchi A, Onodera K, Ishii T. Akaishi T, et al. Among authors: igarashi k. Sci Rep. 2021 Jun 2;11(1):11616. doi: 10.1038/s41598-021-91220-4. Sci Rep. 2021. PMID: 34079047 Free PMC article.
COVID-19-Related Symptoms during the SARS-CoV-2 Omicron (B.1.1.529) Variant Surge in Japan.
Akaishi T, Kushimoto S, Katori Y, Sugawara N, Egusa H, Igarashi K, Fujita M, Kure S, Takayama S, Abe M, Kikuchi A, Ohsawa M, Ishizawa K, Abe Y, Imai H, Inaba Y, Iwamatsu-Kobayashi Y, Nishioka T, Onodera K, Ishii T. Akaishi T, et al. Among authors: igarashi k. Tohoku J Exp Med. 2022 Sep 6;258(2):103-110. doi: 10.1620/tjem.2022.J067. Epub 2022 Aug 25. Tohoku J Exp Med. 2022. PMID: 36002251 Free article.
A 19-Year Study of Dental Needlestick and Sharps Injuries in Japan.
Iwamatsu-Kobayashi Y, Watanabe J, Kusama T, Endo H, Ikeda S, Tokuda K, Igarashi K, Egusa H. Iwamatsu-Kobayashi Y, et al. Among authors: igarashi k. Int Dent J. 2023 Feb;73(1):114-120. doi: 10.1016/j.identj.2022.04.009. Epub 2022 Jul 7. Int Dent J. 2023. PMID: 35810013 Free PMC article.
Effectiveness of mRNA COVID-19 Vaccines in Japan during the Nationwide Pandemic of the Delta Variant.
Akaishi T, Kushimoto S, Katori Y, Sugawara N, Igarashi K, Fujita M, Kure S, Takayama S, Abe M, Kikuchi A, Ishizawa K, Abe Y, Imai H, Inaba Y, Iwamatsu-Kobayashi Y, Nishioka T, Onodera K, Ishii T. Akaishi T, et al. Among authors: igarashi k. Tohoku J Exp Med. 2022 May 13;257(1):1-6. doi: 10.1620/tjem.2022.J012. Epub 2022 Mar 31. Tohoku J Exp Med. 2022. PMID: 35354690 Free article.
43 results