2023.07.19 [Letter] The First outbreak of coronavirus disease (COVID-19) at outdoor camping site in South Korea, 2020

2023.03.31 [Short Communication] The Association of Tobacco Smoking, Second-hand Smoke, and Novel Tobacco Products With COVID-19 Severity and Mortality in Italy: Results From the COSMO-IT Study

(イタリアにおける喫煙、受動喫煙、新型タバコ製品とCOVID-19の重症度・死亡率との関連：COSMO-IT研究から)

2022.01.31 [Short Communication] Italians Do It … Less. COVID-19 Lockdown Impact on Sexual Activity: Evidence From a Large Representative Sample of Italian Adults

(性的活動に対するCOVID-19封鎖の影響：イタリア成人の大規模な代表的なサンプル調査より)

2021.12.01 [Letter] Racial Disparities in COVID-19-related Deaths in Brazil: Black Lives Matter?

2021.11.01 [Letter] Research on Drugs and Vaccines for COVID-19 Should Be Conducted and Published With Caution

2021.10.01 [Letter] COVID-19: Social Irresponsibility of Teenagers Towards the Second Wave in Spain

2021.09.27 Public Awareness, Individual Prevention Practice, and Psychological Effect at the Beginning of the COVID-19 Outbreak in China

2021.09.27 [Letter] COVID-19 Epidemic: Possibility of Artificial Intelligence in Infection Control and Prevention

2021.09.27 [Letter] The Fast Territorial Expansion of COVID-19 in Spain