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The Impact and Effectiveness of a Two-Dose Varicella Immunization Program Among School Children: Evidence from Quasi-experimental Analyses [PDF]

Infectious Diseases and Therapy
Introduction Varicella, caused by the varicella zoster virus, poses a significant public health challenge, particularly among children. To address this, the city of Shenzhen, China, introduced a publicly funded vaccination program offering free two-dose ...
Huiqiao Gu, Xu Xie, Qiuying Lv, Yuantian Cui, Ziyan Lu, Zaure Akhmetova, Zarina Shulgau, Fang Huang, Yawen Jiang   +8 more
doaj   +2 more sources

Varicella vaccine dose depended effectiveness and waning among preschool children in Hong Kong [PDF]

Human Vaccines & Immunotherapeutics, 2020
In Hong Kong, universal varicella vaccination was introduced in July 2014 with a two-dose schedule but the vaccines had been available in the private market since 1996.
Yung-Wai Desmond Chan, W John Edmunds, Hong-Lam Chan, Miu-Ling Wong, Ka-Wing Albert Au, Shuk-Kwan Chuang, Albert Jan van Hoek, Stefan Flasche   +7 more
doaj   +2 more sources

Spatial–temporal patterns, seasonality, and age-specific trends of varicella in Hangzhou, China, 2019–2024 [PDF]

Frontiers in Public Health
BackgroundVaricella has been subject to mandatory reporting to the China Information System for Disease Control and Prevention (CISDCP) by health agencies within 24 h of diagnosis since 2019.
Lintao Gu, Yan Liu, Xiaoping Zhang, Yuyang Xu, Xuechao Zhang, Xinren Che, Wenwen Gu, Yingying Yang, Lu Zj   +8 more
doaj   +2 more sources

Varicella outbreak in the patients during group therapy: seroprevalence in a healthcare system during breakthrough varicella occurrence [PDF]

Clinical and Experimental Vaccine Research, 2013
There are different principles regarding varicella vaccination depending on social requirements. This study was performed to report a case of breakthrough chickenpox outbreak among a group of people in the healthcare center and also evaluate the seroprevalence of patients who have been managed with chronic neurological diseases in this center.We ...
Park, Cheong Soo, Kim, Dong Soo, Kim, Ki Hwan   +2 more
openaire   +4 more sources

Immune Persistence Following a Single Dose of Varicella Vaccine: 5-Year and 8-Year Follow-Up of a Phase 3, Randomized, Double-Blind, Placebo-Controlled Trial [PDF]

Vaccines
Background: In recent years, breakthrough varicella cases among individuals who have received a single dose of varicella vaccine (VarV) have increased notably, suggesting that the long-term protection following a one-dose VarV regimen requires further ...
Yanxia Wang, Xiangling Lei, Lili Huang, Yuehong Ma, Hongxue Yuan, Dongyang Zhao, Fanhong Meng   +6 more
doaj   +2 more sources

Paroxysmal Nocturnal Haemoglobinuria‐Associated Acute Cutaneous Thrombosis and Haemolysis in the Setting of Parvovirus B19 and Varicella Zoster Virus Infection [PDF]

eJHaem
A 28‐year‐old male with paroxysmal nocturnal haemoglobinuria (PNH) presented with headache, nasal bridge discomfort and haemoglobinuria. He developed a macular‐papular rash which rapidly progressed into purpura, necrosis and peri‐orbital oedema ...
Louise J. Potter, Roochi Trikha, Shreyans Gandhi, Joanne Large, Tanya N. Basu, Jeanne Boissiere, Hannah Devine, Taku Sugai, Aushna Rasool, Austin Kulasekararaj   +9 more
doaj   +2 more sources

Varicella vaccination in children with acute lymphoblastic leukemia: Experience from a pediatric cancer centre in India

Pediatric Hematology Oncology Journal, 2019
Background: Varicella infection in children with Acute Lymphoblastic Leukemia (ALL) is associated with significant morbidity and mortality. Immunisation against varicella infection is not mandatory as per the national immunisation program in India and ...
Vijay Guru, Venkatraman Radhakrishnan, Tenali Sagar   +2 more
doaj   +2 more sources

Perspectives on the History and Epidemiology of the Varicella Virus Vaccine and Future Challenges [PDF]

Pathogens
The varicella attenuated virus vaccine, developed in Japan in the 1970s, has dramatically reduced the number of pediatric chickenpox cases over the past 30 years due to its widespread use. However, a small number of cases of chickenpox, shingles, aseptic
Masayuki Nagasawa
doaj   +2 more sources

Epidemiologic Investigation of a Varicella Outbreak in an Elementary School in Gyeonggi Province, Republic of Korea [PDF]

Children
Background/Objectives: On 6 June 2023, two varicella cases were reported at a highly vaccinated elementary school in Gyeonggi Province, Republic of Korea. We investigated the outbreak to describe its transmission dynamics; quantify attack rates in school,
Gipyo Sung, Jieun Jang, Kwan Lee
doaj   +2 more sources

Evaluation of immunogenicity, safety and breakthrough following administration of live attenuated varicella vaccine in two doses three months apart regimen in Indian children

Therapeutic Advances in Vaccines and Immunotherapy, 2020
Background: In India, where varicella outbreaks are reported at a younger age, a two-dose vaccine schedule administered at an early age could be highly efficacious in preventing varicella infection.
Monjori Mitra, Surupa Basu, Archana Karadkhele   +2 more
exaly   +2 more sources