Masayuki Ishida

Kochi, Japan

Last Updated: 09/26/2026

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Found 25 publications

Effectiveness of JN.1-adapted COVID-19 vaccine against medically attended SARS-CoV-2 infection and COVID-19 hospitalization in adults in Japan, from October 2024 to April 2025: VERSUS.

Effectiveness of JN.1-adapted COVID-19 vaccine against medically attended SARS-CoV-2 infection and COVID-19 hospitalization in adults in Japan, from October 2024 to April 2025: VERSUS.

Journal: Vaccine

Published: November 27, 2025

Incidence of RSV- and Influenza-Associated Hospitalizations With Community-Acquired Pneumonia and Other Acute Respiratory Infection Among Adults in Japan in 2022-2024: APSG-J2 Study.

Incidence of RSV- and Influenza-Associated Hospitalizations With Community-Acquired Pneumonia and Other Acute Respiratory Infection Among Adults in Japan in 2022-2024: APSG-J2 Study.

Journal: Influenza and other respiratory viruses

Published: July 04, 2025

Serotype distribution among adults with community-acquired pneumococcal pneumonia in Japan between 2019 and 2022: A multicenter observational study.

Serotype distribution among adults with community-acquired pneumococcal pneumonia in Japan between 2019 and 2022: A multicenter observational study.

Journal: Human vaccines & immunotherapeutics

Published: June 27, 2025

Pulmonary function and chest CT abnormalities 3 months after discharge from COVID-19, 2020-2021: A nation-wide multicenter prospective cohort study from the Japanese respiratory society.

Pulmonary function and chest CT abnormalities 3 months after discharge from COVID-19, 2020-2021: A nation-wide multicenter prospective cohort study from the Japanese respiratory society.

Journal: Respiratory investigation

Published: September 21, 2023

Pulmonary hypertension secondary to interstitial fibrosis with pulmonary venous lesions masquerading pulmonary veno-occlusive disease.

Pulmonary hypertension secondary to interstitial fibrosis with pulmonary venous lesions masquerading pulmonary veno-occlusive disease.

Journal: Respirology case reports

Published: March 15, 2023

Effectiveness of mRNA COVID-19 vaccines against symptomatic SARS-CoV-2 infections during the SARS-CoV-2 Omicron BA.1 and BA.2 epidemic in Japan: vaccine effectiveness real-time surveillance for SARS-CoV-2 (VERSUS).

Effectiveness of mRNA COVID-19 vaccines against symptomatic SARS-CoV-2 infections during the SARS-CoV-2 Omicron BA.1 and BA.2 epidemic in Japan: vaccine effectiveness real-time surveillance for SARS-CoV-2 (VERSUS).

Journal: Expert review of vaccines

Published: March 08, 2023

Immunogenicity and safety of COVID-19 vaccine in lung cancer patients receiving anticancer treatment: A prospective multicenter cohort study.

Immunogenicity and safety of COVID-19 vaccine in lung cancer patients receiving anticancer treatment: A prospective multicenter cohort study.

Journal: Human vaccines & immunotherapeutics

Published: November 12, 2022

Long-term impact of pneumococcal conjugate vaccines for children on adult pneumococcal pneumonia in Japan: Two multicenter observational studies from 2011 to 2020.

Long-term impact of pneumococcal conjugate vaccines for children on adult pneumococcal pneumonia in Japan: Two multicenter observational studies from 2011 to 2020.

Journal: Vaccine

Published: February 14, 2022

Effectiveness of Messenger RNA Coronavirus Disease 2019 Vaccines Against Symptomatic Severe Acute Respiratory Syndrome Coronavirus 2 Infections During the Delta Variant Epidemic in Japan: Vaccine Effectiveness Real-time Surveillance for SARS-CoV-2 (VERSUS).

Effectiveness of Messenger RNA Coronavirus Disease 2019 Vaccines Against Symptomatic Severe Acute Respiratory Syndrome Coronavirus 2 Infections During the Delta Variant Epidemic in Japan: Vaccine Effectiveness Real-time Surveillance for SARS-CoV-2 (VERSUS).

Journal: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Published: January 14, 2022

High prevalence of multiple serotypes of pneumococci in patients with pneumonia and their associated risk factors.

High prevalence of multiple serotypes of pneumococci in patients with pneumonia and their associated risk factors.

Journal: Thorax

Published: July 23, 2021

Definitive and Indeterminate Pseudomonas aeruginosa Infection in Adults with Community-acquired Pneumonia: A Prospective Observational Study.

Definitive and Indeterminate Pseudomonas aeruginosa Infection in Adults with Community-acquired Pneumonia: A Prospective Observational Study.

Journal: Annals of the American Thoracic Society

Published: February 10, 2021

A multicenter non-randomized, uncontrolled single arm trial for evaluation of the efficacy and the safety of the treatment with favipiravir for patients with severe fever with thrombocytopenia syndrome.

A multicenter non-randomized, uncontrolled single arm trial for evaluation of the efficacy and the safety of the treatment with favipiravir for patients with severe fever with thrombocytopenia syndrome.

Journal: PLoS neglected tropical diseases

Published: October 10, 2020

Showing 1-12 of 25

Last Updated: 09/26/2026