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13 results on '"Sasaoka, Yuta"'

1. Changing Patterns of Infectious Diseases Among Hospitalized Children in Hokkaido, Japan, in the Post-COVID-19 Era, July 2019 to June 2022

Author

Fukuda, Yuya, Togashi, Atsuo, Hirakawa, Satoshi, Yamamoto, Masaki, Fukumura, Shinobu, Nawa, Tomohiro, Honjo, Saho, Kunizaki, Jun, Nishino, Kouhei, Tanaka, Toju, Kizawa, Toshitaka, Yamamoto, Dai, Takeuchi, Ryoh, Sasaoka, Yuta, Kikuchi, Masayoshi, Ito, Takuro, Nagai, Kazushige, Asakura, Hirofumi, Kudou, Katsumasa, Yoshida, Masaki, Nishida, Takeshi, and Tsugawa, Takeshi

Published
2023
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4. A significant outbreak of respiratory human adenovirus infections among children aged 3−6 years in Hokkaido, Japan, in 2023.

Author

Fukuda, Yuya, Togashi, Atsuo, Hirakawa, Satoshi, Yamamoto, Masaki, Fukumura, Shinobu, Nawa, Tomohiro, Kushima, Nana, Nakamura, Satoshi, Kunizaki, Jun, Nishino, Kouhei, Kimura, Ryoma, Kizawa, Toshitaka, Yamamoto, Dai, Takeuchi, Ryoh, Sasaoka, Yuta, Kikuchi, Masayoshi, Ito, Takuro, Nagai, Kazushige, Asakura, Hirofumi, and Nishimura, Sayaka

Subjects
RESPIRATORY infections in children, AGE distribution, ADENOVIRUSES, ANTIBODY titer, RESPIRATORY infections
Abstract

Human adenovirus (HAdV) infections present diverse clinical manifestations upon infecting individuals, with respiratory infections predominating in children. We surveyed pediatric hospitalizations due to respiratory HAdV infections across 18 hospitals in Hokkaido Prefecture, Japan, from July 2019 to March 2024, recording 473 admissions. While hospitalizations remained below five cases per week from July 2019 to September 2023, a notable surge occurred in late October 2023, with weekly admissions peaking at 15−20 cases from November to December. There were dramatic shifts in the age distribution of hospitalized patients: during 2019−2021, 1‐year‐old infants and children aged 3−6 years represented 51.4%−54.8% and 4.1%−13.3%, respectively; however, in 2023−2024, while 1‐year‐old infants represented 19.0%−20.1%, the proportion of children aged 3−6 years increased to 46.2%−50.0%. Understanding the emergence of significant outbreaks of respiratory HAdV infections and the substantial changes in the age distribution of hospitalized cases necessitates further investigation into the circulating types of HAdV in Hokkaido Prefecture and changes in children's neutralizing antibody titers against HAdV. [ABSTRACT FROM AUTHOR]

Published
2024
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5. Resurgence of human metapneumovirus infection and influenza after three seasons of inactivity in the post‐COVID‐19 era in Hokkaido, Japan, 2022–2023

Author

Fukuda, Yuya, primary, Togashi, Atsuo, additional, Hirakawa, Satoshi, additional, Yamamoto, Masaki, additional, Fukumura, Shinobu, additional, Nawa, Tomohiro, additional, Honjo, Saho, additional, Kunizaki, Jun, additional, Nishino, Kouhei, additional, Tanaka, Toju, additional, Kizawa, Toshitaka, additional, Yamamoto, Dai, additional, Takeuchi, Ryoh, additional, Sasaoka, Yuta, additional, Kikuchi, Masayoshi, additional, Ito, Takuro, additional, Nagai, Kazushige, additional, Asakura, Hirofumi, additional, Kudou, Katsumasa, additional, Yoshida, Masaki, additional, Nishida, Takeshi, additional, and Tsugawa, Takeshi, additional

Published
2023
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12. A significant outbreak of respiratory human adenovirus infections among children aged 3-6 years in Hokkaido, Japan, in 2023.

Author

Fukuda Y, Togashi A, Hirakawa S, Yamamoto M, Fukumura S, Nawa T, Kushima N, Nakamura S, Kunizaki J, Nishino K, Kimura R, Kizawa T, Yamamoto D, Takeuchi R, Sasaoka Y, Kikuchi M, Ito T, Nagai K, Asakura H, Nishimura S, Yoshida M, Tsuchida K, and Tsugawa T

Subjects
Humans, Japan epidemiology, Child, Preschool, Child, Male, Female, Infant, Adenovirus Infections, Human epidemiology, Adenovirus Infections, Human virology, Disease Outbreaks, Respiratory Tract Infections epidemiology, Respiratory Tract Infections virology, Adenoviruses, Human isolation & purification, Adenoviruses, Human classification, Hospitalization statistics & numerical data
Abstract

Human adenovirus (HAdV) infections present diverse clinical manifestations upon infecting individuals, with respiratory infections predominating in children. We surveyed pediatric hospitalizations due to respiratory HAdV infections across 18 hospitals in Hokkaido Prefecture, Japan, from July 2019 to March 2024, recording 473 admissions. While hospitalizations remained below five cases per week from July 2019 to September 2023, a notable surge occurred in late October 2023, with weekly admissions peaking at 15-20 cases from November to December. There were dramatic shifts in the age distribution of hospitalized patients: during 2019-2021, 1-year-old infants and children aged 3-6 years represented 51.4%-54.8% and 4.1%-13.3%, respectively; however, in 2023-2024, while 1-year-old infants represented 19.0%-20.1%, the proportion of children aged 3-6 years increased to 46.2%-50.0%. Understanding the emergence of significant outbreaks of respiratory HAdV infections and the substantial changes in the age distribution of hospitalized cases necessitates further investigation into the circulating types of HAdV in Hokkaido Prefecture and changes in children's neutralizing antibody titers against HAdV., (© 2024 Wiley Periodicals LLC.)

Published
2024
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