Koo Nagasawa

Chiba, Japan

Last Updated: 09/26/2026

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Found 44 publications

Disease burden and quality of life in caregivers of infants with RSV lower respiratory tract infections in Japan.

Disease burden and quality of life in caregivers of infants with RSV lower respiratory tract infections in Japan.

Journal: Japanese journal of infectious diseases

Published: July 01, 2026

Differences in practices for surgical site infection prevention in neonatal surgery between neonatologists and pediatric surgeons: a multicenter survey in Japan.

Differences in practices for surgical site infection prevention in neonatal surgery between neonatologists and pediatric surgeons: a multicenter survey in Japan.

Journal: Journal of perinatology : official journal of the California Perinatal Association

Published: April 09, 2026

Clinical features of pediatric invasive Escherichia coli disease: A study at seven facilities in Chiba prefecture in Japan.

Clinical features of pediatric invasive Escherichia coli disease: A study at seven facilities in Chiba prefecture in Japan.

Journal: Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy

Published: August 05, 2025

Multicentre, prospective, single-arm, non-controlled, open-label trial to evaluate the safety and efficacy of live attenuated influenza vaccine in paediatric patients with atopic dermatitis undergoing dupilumab therapy: a protocol.

Multicentre, prospective, single-arm, non-controlled, open-label trial to evaluate the safety and efficacy of live attenuated influenza vaccine in paediatric patients with atopic dermatitis undergoing dupilumab therapy: a protocol.

Journal: BMJ open

Published: August 03, 2025

Case Report: Rapidly progressive bilateral pleural effusions in a 12-year-old girl with multisystem inflammatory syndrome who was successfully treated with prednisolone and cyclosporine.

Case Report: Rapidly progressive bilateral pleural effusions in a 12-year-old girl with multisystem inflammatory syndrome who was successfully treated with prednisolone and cyclosporine.

Journal: Frontiers in pediatrics

Published: May 22, 2025

Prospective hospital-based cohort studies of Respiratory Syncytial Virus (RSV) infections in infants under one year during and after the SARS-CoV-2 pandemic in Japan.

Prospective hospital-based cohort studies of Respiratory Syncytial Virus (RSV) infections in infants under one year during and after the SARS-CoV-2 pandemic in Japan.

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

Published: August 04, 2024

Effectiveness of isavuconazole in invasive cerebral aspergillosis during hematopoietic stem cell transplantation in a pediatric patient with myelodysplastic syndrome: A case report.

Effectiveness of isavuconazole in invasive cerebral aspergillosis during hematopoietic stem cell transplantation in a pediatric patient with myelodysplastic syndrome: A case report.

Journal: Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy

Published: April 11, 2024

The prebiotic effect of 1-kestose in low-birth-weight neonates taking bifidobacteria: a pilot randomized trial in comparison with lactulose.

The prebiotic effect of 1-kestose in low-birth-weight neonates taking bifidobacteria: a pilot randomized trial in comparison with lactulose.

Journal: Bioscience of microbiota, food and health

Published: September 27, 2023

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

Detailed Molecular Interactions between Respiratory Syncytial Virus Fusion Protein and the TLR4/MD-2 Complex In Silico.

Detailed Molecular Interactions between Respiratory Syncytial Virus Fusion Protein and the TLR4/MD-2 Complex In Silico.

Journal: Viruses

Published: August 23, 2022

Molecular Evolution and Epidemiology of Parechovirus-A3 in Japan, 1997-2019.

Molecular Evolution and Epidemiology of Parechovirus-A3 in Japan, 1997-2019.

Journal: The Journal of infectious diseases

Published: April 01, 2022

Whole genome sequencing and evolutionary analysis of G8P [8] rotaviruses emerging in Japan.

Whole genome sequencing and evolutionary analysis of G8P [8] rotaviruses emerging in Japan.

Journal: Virusdisease

Published: November 10, 2021

Showing 1-12 of 44

Last Updated: 09/26/2026