Okayama University: Analysis of Infection Status and Medical Care System in Okayama Prefecture (As of April 6, 2026)
Okayama University has released an analysis of the COVID-19 infection situation and medical care system in Okayama Prefecture. The report indicates a decreasing trend in reported infection cases, a decrease in seasonal influenza compared to the previous week, but an increase in Group A streptococcal pharyngitis.
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- 📰 Published: April 30, 2026 at 05:10
- 🔍 Collected: April 29, 2026 at 20:31
- 🤖 AI Analyzed: April 29, 2026 at 23:25 (2h 54m after Collected)
April 29, 2026
National University Corporation Okayama University
https://www.okayama-u.ac.jp/
◆ Overview
Data on patient reports and the medical care system (※) published on the Okayama Prefecture website has been compiled, with comments added by volunteer experts from Okayama Prefecture. Updates are scheduled once a week.
Furthermore, this information is expressed in an easy-to-understand single page, referencing Tokyo's "Analysis and Summary Comments on the Latest Monitoring Items." We hope it will be helpful in understanding the situation within the prefecture.
The WHO has declared the end of the COVID-19 pandemic, and normal life has returned to Japan. However, we continue to provide information with the hope that it will assist in understanding the infection and medical system situation in Okayama Prefecture, and serve as a reference for your daily infection prevention measures. We appreciate your continued support.
*After the reclassification to Class 5, the number of patient reports per fixed-point observation facility is used.
◆ Analysis of Infection Status and Medical Care System [As of Monday, April 6, 2026]
The number of reported COVID-19 cases per fixed-point observation facility has decreased to 0.48 persons. Cases are occurring sporadically. The situation is calm nationwide.
Hospitalizations due to COVID-19 continue to occur. Infection control measures appropriate to the situation and early diagnosis and treatment for high-risk patients are necessary.
Seasonal influenza is prevalent in Okayama Prefecture, but has decreased compared to the previous week (7.94 reported cases per fixed-point observation facility). Group A streptococcal pharyngitis is increasing.
◆ Volunteer Experts from Okayama Prefecture
Mr. Yasunori Ichimura (National Center for Global Health and Medicine, Bureau of International Medical Cooperation)
Dr. Hidenori Hagiya (Okayama University Hospital, Division of Infectious Diseases)
Dr. Koji Fujita (Tsuyama Chuo Hospital, Department of General Internal Medicine and Infectious Diseases)
Dr. Harushi Yamada (Okayama City Hospital, Division of Infectious Diseases)
Dr. Daisuke Yoshioka (Kawasaki Medical University, Clinical Infectious Diseases / Kawasaki Medical University Hospital, Infection Control Unit)
Dr. Takashi Yorifuji (Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Department of Epidemiology and Public Health)
(Alphabetical order)
◆ References
・Analysis of Infection Status and Medical Care System in Okayama Prefecture (As of March 18, 2026)
https://prtimes.jp/main/html/rd/p/000003917.000072793.html
・Analysis of Infection Status and Medical Care System in Okayama Prefecture (As of March 30, 2026)
https://prtimes.jp/main/html/rd/p/000003932.000072793.html
◆ Related Information
・Videos created by Okayama Prefecture Cluster Response Team volunteers, useful tips for clinics and workplaces
http://www.unit-gp.jp/eisei/wp/?p=4631
・COVID-19 Vaccine Information
http://www.unit-gp.jp/eisei/wp/?p=4923
・Okayama University's Response to COVID-19
https://www.okayama-u.ac.jp/tp/profile/aboutcoronavirus.html
・Okayama University Hospital
https://www.okayama-u.ac.jp/user/hospital/
・Okayama University Hospital COVID-19 Aftercare Clinic
https://www.okayama-u.ac.jp/user/hospital/index377.html
・[Okayama University] Doctor Car, a large emergency transport vehicle equipped with ECMO, deployed at Okayama University Hospital
https://prtimes.jp/main/html/rd/p/000000241.000072793.html
・[Okayama University] Cooperation with WHO: Dr. Hidenori Hagiya dispatched to Papua New Guinea as a COVID-19 countermeasures expert
https://prtimes.jp/main/html/rd/p/000000502.000072793.html
・[Okayama University x Dental Diamond Co.] COVID-19 Special Feature Page (Part 18) Released for a Limited Time
https://prtimes.jp/main/html/rd/p/000000290.000072793.html
・[Okayama University x Dental Diamond Co.] COVID-19 Special Feature Page (Part 19) Released for a Limited Time
https://prtimes.jp/main/html/rd/p/000000347.000072793.html
・[Okayama University x Dental Diamond Co.] COVID-19 Special Feature Page (Part 20) Released for a Limited Time
https://prtimes.jp/main/html/rd/p/000000406.000072793.html
・[Okayama University x Dental Diamond Co.] COVID-19 Special Feature Page (Part 21)
National University Corporation Okayama University
https://www.okayama-u.ac.jp/
◆ Overview
Data on patient reports and the medical care system (※) published on the Okayama Prefecture website has been compiled, with comments added by volunteer experts from Okayama Prefecture. Updates are scheduled once a week.
Furthermore, this information is expressed in an easy-to-understand single page, referencing Tokyo's "Analysis and Summary Comments on the Latest Monitoring Items." We hope it will be helpful in understanding the situation within the prefecture.
The WHO has declared the end of the COVID-19 pandemic, and normal life has returned to Japan. However, we continue to provide information with the hope that it will assist in understanding the infection and medical system situation in Okayama Prefecture, and serve as a reference for your daily infection prevention measures. We appreciate your continued support.
*After the reclassification to Class 5, the number of patient reports per fixed-point observation facility is used.
◆ Analysis of Infection Status and Medical Care System [As of Monday, April 6, 2026]
The number of reported COVID-19 cases per fixed-point observation facility has decreased to 0.48 persons. Cases are occurring sporadically. The situation is calm nationwide.
Hospitalizations due to COVID-19 continue to occur. Infection control measures appropriate to the situation and early diagnosis and treatment for high-risk patients are necessary.
Seasonal influenza is prevalent in Okayama Prefecture, but has decreased compared to the previous week (7.94 reported cases per fixed-point observation facility). Group A streptococcal pharyngitis is increasing.
◆ Volunteer Experts from Okayama Prefecture
Mr. Yasunori Ichimura (National Center for Global Health and Medicine, Bureau of International Medical Cooperation)
Dr. Hidenori Hagiya (Okayama University Hospital, Division of Infectious Diseases)
Dr. Koji Fujita (Tsuyama Chuo Hospital, Department of General Internal Medicine and Infectious Diseases)
Dr. Harushi Yamada (Okayama City Hospital, Division of Infectious Diseases)
Dr. Daisuke Yoshioka (Kawasaki Medical University, Clinical Infectious Diseases / Kawasaki Medical University Hospital, Infection Control Unit)
Dr. Takashi Yorifuji (Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Department of Epidemiology and Public Health)
(Alphabetical order)
◆ References
・Analysis of Infection Status and Medical Care System in Okayama Prefecture (As of March 18, 2026)
https://prtimes.jp/main/html/rd/p/000003917.000072793.html
・Analysis of Infection Status and Medical Care System in Okayama Prefecture (As of March 30, 2026)
https://prtimes.jp/main/html/rd/p/000003932.000072793.html
◆ Related Information
・Videos created by Okayama Prefecture Cluster Response Team volunteers, useful tips for clinics and workplaces
http://www.unit-gp.jp/eisei/wp/?p=4631
・COVID-19 Vaccine Information
http://www.unit-gp.jp/eisei/wp/?p=4923
・Okayama University's Response to COVID-19
https://www.okayama-u.ac.jp/tp/profile/aboutcoronavirus.html
・Okayama University Hospital
https://www.okayama-u.ac.jp/user/hospital/
・Okayama University Hospital COVID-19 Aftercare Clinic
https://www.okayama-u.ac.jp/user/hospital/index377.html
・[Okayama University] Doctor Car, a large emergency transport vehicle equipped with ECMO, deployed at Okayama University Hospital
https://prtimes.jp/main/html/rd/p/000000241.000072793.html
・[Okayama University] Cooperation with WHO: Dr. Hidenori Hagiya dispatched to Papua New Guinea as a COVID-19 countermeasures expert
https://prtimes.jp/main/html/rd/p/000000502.000072793.html
・[Okayama University x Dental Diamond Co.] COVID-19 Special Feature Page (Part 18) Released for a Limited Time
https://prtimes.jp/main/html/rd/p/000000290.000072793.html
・[Okayama University x Dental Diamond Co.] COVID-19 Special Feature Page (Part 19) Released for a Limited Time
https://prtimes.jp/main/html/rd/p/000000347.000072793.html
・[Okayama University x Dental Diamond Co.] COVID-19 Special Feature Page (Part 20) Released for a Limited Time
https://prtimes.jp/main/html/rd/p/000000406.000072793.html
・[Okayama University x Dental Diamond Co.] COVID-19 Special Feature Page (Part 21)