Studies in Japan
Impact of the COVID-19 pandemic on changes in tobacco use behaviour: A longitudinal cohort study in Japan
(新型コロナウイルス感染症流行が喫煙行動の変化に与える影響:日本における縦断的コホート研究)
Changes in mortality during the COVID-19 pandemic in Japan: descriptive analysis of national health statistics up to 2022
(新型コロナウイルス感染症パンデミックにおける日本の死亡率変化:全国レベルの保健統計による2022年までの分析)
[Letter] Sentinel surveillance of COVID-19: the importance of epidemiologic concepts and reasoning
The Association between COVID-19-Related Discrimination and Probable Post-Traumatic Stress Disorder among Patients with COVID-19 in Sapporo, Japan
(COVID-19感染者における感染による差別と心的外傷後ストレス障害の症状との関連:札幌市における調査)
Changes in the utilization of outpatient and visiting dental care and per-attendance care cost by age groups during COVID-19 pandemic waves in Japan: A time-series analysis from LIFE study
(日本における新型コロナウイルス流行下での外来受診・訪問診療別の歯科受診および1回受診当たりの歯科医療費の変化:LIFE studyデータを用いた時系列分析)
Development and validation of claims-based algorithms for identifying hospitalized patients with COVID-19 and their severity in 2020 and 2021
(2020年と2021年のレセプトデータからCOVID-19入院患者とその重症度を特定するアルゴリズム開発およびバリデーション研究)
Changes in Place of Death among Patients with Dementia during the COVID-19 Pandemic in Japan: A Time Series Analysis
(認知症の人の死亡場所の変化:日本のCOVID-19流行下における時系列分析)
Coffee and green tea consumption with the risk of COVID-19 among the vaccine recipients in Japan: a prospective study
(日本のCOVID-19ワクチン接種者におけるコーヒー及び緑茶の飲用とCOVID-19罹患リスク:前向き研究)
Trends in the stage distribution of colorectal cancer during the COVID-19 pandemic in Japan: a nationwide hospital-claims data analysis
(全国診療情報データベースを用いた日本におけるコロナ禍の大腸がんステージ分布の傾向)
Impact of the COVID-19 pandemic on cancer death locations in Japan: an analysis up to February 2023 on excess mortality
(日本におけるCOVID-19パンデミックががん死亡場所に及ぼす影響:2023年2月までの超過死亡に関する分析)
Effectiveness of BNT162b2 against infection, symptomatic infection, and hospitalization among older adults aged ≥65 years during the Delta variant predominance in Japan: The VENUS Study
(デルタ株流行期の高齢者における感染、症候性感染、入院に対する新型コロナワクチンBNT162b2の有効性評価: VENUS Study)
Changes in accelerometer-measured physical activity and sedentary behavior from before to after COVID-19 outbreak in workers
(勤労者における加速度計で測定した身体活動および座位行動のCOVID-19流行前後での変化)
Variant-specific symptoms after COVID-19: a hospital-based study in Hiroshima
(SARS-CoV-2流行株別にみたCOVID-19罹患後症状:第二種感染症指定医療機関における縦断研究)
Effectiveness of BNT162b2 vaccine against symptomatic SARS-CoV-2 infection in children aged 5−11 years in Japan during Omicron variant predominate periods
(オミクロン株流行期の日本における5〜11歳小児の有症状SARS-CoV-2感染に対するBNT162b2ワクチンの有効性)
Epidemiologic trends and distributions of imported infectious diseases among travelers to Japan before and during the COVID-19 pandemic, 2016 to 2021: a descriptive study
(COVID-19流行前後の訪日渡航者における輸入感染症の疫学的動向と分布(2016~2021年):記述的研究)
[Letter] Antibody titers after a third and fourth SARS-CoV-2 vaccine dose in Bizen City, Japan
Patient characteristics and public health office factors associated with long reporting delay of COVID-19 cases in Sapporo City, Japan
(札幌市における新型コロナウイルス感染症の報告遅延に関連する患者特性および保健所要因の分析)
Mortality-associated Risk Factors in Hospitalized COVID-19 Patients in Japan: Findings of the CLOT-COVID Study
(日本における入院中のCOVID-19患者の死亡予測因子:CLOT-COVID Studyからの報告)
[Letter] Adverse Reactions and Attitudes Toward the BNT162b2 COVIT-19 Vaccine in Children 5 to 11 Years of Age in Japan
The Unusual Increase in Suicides Among Women in Japan During the COVID-19 Pandemic: A Time-series Analysis Until October 2021
(日本のCOVID-19流行下における女性の自殺者増加:2021年10月までの時系列解析)