10) "COVID-19 in Japan during 2020-2022: Characteristics, responses, and implications for the health care system"
https://t.co/bsqbFP3hva
"Two-Year Seroprevalence Surveys of SARS-CoV-2 Antibodies among Outpatients and Healthcare Workers in Ehime, Japan"
https://t.co/GEJMby5YFz