Kenji Okada

Fukuoka, Japan

Last Updated: 09/26/2026

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Found 50 publications

Safety of diphtheria-tetanus-acellular pertussis (DTaP) vaccination during pregnancy in mothers and infants: The Shizuoka Study.

Safety of diphtheria-tetanus-acellular pertussis (DTaP) vaccination during pregnancy in mothers and infants: The Shizuoka Study.

Journal: International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Published: April 22, 2026

Nationwide population-based surveillance of invasive pneumococcal disease in children in Japan (2014-2022): Impact of 13-valent pneumococcal conjugate vaccine and COVID-19 pandemic.

Nationwide population-based surveillance of invasive pneumococcal disease in children in Japan (2014-2022): Impact of 13-valent pneumococcal conjugate vaccine and COVID-19 pandemic.

Journal: Vaccine

Published: December 16, 2024

Comparing COVID-19 literacy and vaccine hesitancy among health care workers, including oral health professionals, in Japan.

Comparing COVID-19 literacy and vaccine hesitancy among health care workers, including oral health professionals, in Japan.

Journal: BDJ open

Published: September 16, 2024

Guidelines for the Management of Respiratory Infectious Diseases in Children in Japan 2022.

Guidelines for the Management of Respiratory Infectious Diseases in Children in Japan 2022.

Journal: The Pediatric infectious disease journal

Published: August 11, 2023

Suppressed pediatric asthma hospitalizations during the COVID-19 pandemic in Japan, from a national survey.

Suppressed pediatric asthma hospitalizations during the COVID-19 pandemic in Japan, from a national survey.

Journal: Clinical and translational allergy

Published: August 09, 2023

Palivizumab prophylaxis in preterm infants and subsequent wheezing/asthma: 10-year follow-up study.

Palivizumab prophylaxis in preterm infants and subsequent wheezing/asthma: 10-year follow-up study.

Journal: Pediatric pulmonology

Published: July 31, 2023

Acute and Postacute Clinical Characteristics of Coronavirus Disease 2019 in Children in Japan.

Acute and Postacute Clinical Characteristics of Coronavirus Disease 2019 in Children in Japan.

Journal: The Pediatric infectious disease journal

Published: February 02, 2023

Machine Learning Estimation of Plateau Stress of Aluminum Foam Using X-ray Computed Tomography Images.

Machine Learning Estimation of Plateau Stress of Aluminum Foam Using X-ray Computed Tomography Images.

Journal: Materials (Basel, Switzerland)

Published: January 18, 2023

Pertussis, diphtheria, and tetanus antibodies seroprevalence in pregnant women and neonates, as a preliminary data for introduction of preconception or prenatal DTaP vaccination among Japanese society.

Pertussis, diphtheria, and tetanus antibodies seroprevalence in pregnant women and neonates, as a preliminary data for introduction of preconception or prenatal DTaP vaccination among Japanese society.

Journal: Vaccine

Published: March 07, 2022

Corrigendum to: Phase II and III Clinical Studies of Diphtheria-Tetanus-Acellular Pertussis Vaccine Containing Inactivated Polio Vaccine Derived from Sabin Strains (DTaP-sIPV).

Corrigendum to: Phase II and III Clinical Studies of Diphtheria-Tetanus-Acellular Pertussis Vaccine Containing Inactivated Polio Vaccine Derived from Sabin Strains (DTaP-sIPV).

Journal: The Journal of infectious diseases

Published: September 22, 2021

Clinical evaluation of a new rapid immunochromatographic test for detection of Bordetella pertussis antigen.

Clinical evaluation of a new rapid immunochromatographic test for detection of Bordetella pertussis antigen.

Journal: Scientific reports

Published: September 14, 2021

The clinical characteristics of pediatric coronavirus disease 2019 in 2020 in Japan.

The clinical characteristics of pediatric coronavirus disease 2019 in 2020 in Japan.

Journal: Pediatrics international : official journal of the Japan Pediatric Society

Published: April 28, 2021

Showing 1-12 of 50

Last Updated: 09/26/2026