Epidemiology of respiratory syncytial virus in Japan: A nationwide claims database analysis.

ABSTRACT:

Background

Respiratory syncytial virus (RSV) is a major cause of hospitalization for bronchiolitis and pneumonia in infancy. In Japan, limited data are publicly available on RSV epidemiology and clinical characteristics among infants.

Methods

This retrospective study described RSV incidence, seasonality, patient characteristics, resource use, and clinical outcomes among Japanese children <2 years from January 2017 through December 2018. The RSV cases were identified using the Japanese Medical Data Center database.

Results

In the database, 9,711 and 8,509 RSV patients <2 years were identified in 2017 and 2018, respectively. Of these, 25% required hospitalization. Ninety percent of hospitalized patients did not have a known RSV risk factor. Nineteen percent of hospitali

SUBMITTER: Kobayashi Y 

PROVIDER: S-EPMC9300113 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature