Changes in epidemiological characteristics and sero-prevalence against the varicella zoster virus in school-age children after the introduction of a national immunization program in Japan

• Main Authors: Yosuke Yasui (Author), Toshikatsu Mitsui (Author), Fujiyo Arima (Author), Keiko Uchida (Author), Mikako Inokuchi (Author), Mitsuaki Tokumura (Author), Tetsuo Nakayama (Author)
• Format: Book
• Published: Taylor & Francis Group, 2021-08-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

A national immunization program using two doses of live attenuated varicella vaccine was introduced for children aged one to two years in Japan in October 2014. Varicella cases declined after 2014, and immunological status against varicella among vaccinated children changed in post-vaccination era....