Mai Okuyama

Tokyo, Japan

Last Updated: 09/26/2026

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Found 13 publications

Post-pandemic immunity debt for paediatric infectious diseases in Japan between 2014 and 2024.

Post-pandemic immunity debt for paediatric infectious diseases in Japan between 2014 and 2024.

Journal: Epidemiology and infection
Published: May 05, 2026

COVID-19 vaccine effectiveness and duration of protection among children and adolescents: A retrospective cohort study in 11 large cities in Japan.

COVID-19 vaccine effectiveness and duration of protection among children and adolescents: A retrospective cohort study in 11 large cities in Japan.

Journal: Vaccine
Published: August 05, 2025

Fatal SARS-CoV-2 Infection among Children, Japan, January-September 20221.

Fatal SARS-CoV-2 Infection among Children, Japan, January-September 20221.

Journal: Emerging infectious diseases
Published: July 23, 2024

Adverse Event Following Immunization Monitoring System in Japan.

Adverse Event Following Immunization Monitoring System in Japan.

Journal: The Pediatric infectious disease journal
Published: May 17, 2024

National seroepidemiological study of COVID-19 after the initial rollout of vaccines: Before and at the peak of the Omicron-dominant period in Japan.

National seroepidemiological study of COVID-19 after the initial rollout of vaccines: Before and at the peak of the Omicron-dominant period in Japan.

Journal: Influenza and other respiratory viruses
Published: October 29, 2022

Vasovagal reactions after COVID-19 vaccination in Japan.

Vasovagal reactions after COVID-19 vaccination in Japan.

Journal: Vaccine
Published: March 08, 2022

Vitamin D Supplementation Regulates Postoperative Serum Levels of PD-L1 in Patients with Digestive Tract Cancer and Improves Survivals in the Highest Quintile of PD-L1: A Post Hoc Analysis of the AMATERASU Randomized Controlled Trial.

Vitamin D Supplementation Regulates Postoperative Serum Levels of PD-L1 in Patients with Digestive Tract Cancer and Improves Survivals in the Highest Quintile of PD-L1: A Post Hoc Analysis of the AMATERASU Randomized Controlled Trial.

Journal: Nutrients
Published: May 09, 2021

Effect of Avoiding Cow's Milk Formula at Birth on Prevention of Asthma or Recurrent Wheeze Among Young Children: Extended Follow-up From the ABC Randomized Clinical Trial.

Effect of Avoiding Cow's Milk Formula at Birth on Prevention of Asthma or Recurrent Wheeze Among Young Children: Extended Follow-up From the ABC Randomized Clinical Trial.

Journal: JAMA network open
Published: October 02, 2020

Effect of Vitamin D Supplementation on Survival of Digestive Tract Cancer Patients with Low Bioavailable 25-Hydroxyvitamin D levels: A Post Hoc Analysis of the AMATERASU Randomized Clinical Trial.

Effect of Vitamin D Supplementation on Survival of Digestive Tract Cancer Patients with Low Bioavailable 25-Hydroxyvitamin D levels: A Post Hoc Analysis of the AMATERASU Randomized Clinical Trial.

Journal: Cancers
Published: December 20, 2019

Primary Prevention of Cow's Milk Sensitization and Food Allergy by Avoiding Supplementation With Cow's Milk Formula at Birth: A Randomized Clinical Trial.

Primary Prevention of Cow's Milk Sensitization and Food Allergy by Avoiding Supplementation With Cow's Milk Formula at Birth: A Randomized Clinical Trial.

Journal: JAMA pediatrics
Published: October 22, 2019

2-Phenylquinoline-Sugar Hybrids as Photoswitchable α-Glucosidase Inhibitors.

2-Phenylquinoline-Sugar Hybrids as Photoswitchable α-Glucosidase Inhibitors.

Journal: Chemistry, an Asian journal
Published: February 12, 2019

Elevated Soluble PD-L1 in Pregnant Women's Serum Suppresses the Immune Reaction.

Elevated Soluble PD-L1 in Pregnant Women's Serum Suppresses the Immune Reaction.

Journal: Frontiers in immunology
Published: April 20, 2018
Showing 1-12 of 13

Last Updated: 09/26/2026