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Objective To investigate HPV vaccine hesitancy and influencing factors among parents of primary and secondary schools in Guangyuan, and to provide scientific countermeasures for reducing the hesitancy rate of HPV vaccine in parents. Methods Using stratified multi-stage cluster random sampling, 1,018 parents of girls in primary and secondary schools in Guangyuan were selected for a questionnaire survey from March to July 2021. The data were analyzed by Chi-square test and multivariate logistic regression model. Results The hesitancy rate of HPV vaccine in parents was 42.95%. Multivariate logistic regression analysis showed that families with low economic income, parents who believed that HPV vaccination would have long-term side effects, and be unsafe and expensive, and parents who concerned with the effect of HPV vaccine on the prevention of cervical cancer and insufficient supply of first doses of vaccine, had positive effects on HPV vaccine hesitancy (OR = 2.02, 1.44, 3.13, 1.53, 3.76, and 2.43, respectively, P < 0.05). Conclusion HPV vaccine hesitancy rate is high among parents of primary and secondary schools in Guangyuan. It is necessary to fully promote school education and increase the publicity of HPV vaccine to improve parents' awareness of HPV vaccine. Government departments need to make an overall plan to reduce vaccine costs and ensure sufficient vaccine quantity, so as to reduce parents' hesitation to vaccinate their children with HPV vaccine.
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Osteoarthritis (OA) is a chronic degenerative disease of active joints that is closely related to age.With the increase of age,chondrocytes gradually aging,synthetic and metabolic abilities gradually declined,cartilage matrix can not be effectively synthesized to maintain the amount of cartilage and cartilage structure,resulting in the occurrence of OA.In recent years,with the progress of OA pathogenesis in the field of genetics,the relationship between OA and the genes related to "aging" and "longevity" has gradually become the focus of research and made breakthrough progress.This article reviews current research on the relationship between "aging genes","longevity genes" and the pathogenesis of OA at home and abroad,and provides a reference for prevention and clinical treatment of OA.
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Osteoarthritis is a chronic disabling disease that tends to occur in middle-aged and elderly population, the main pathological characteristics are the dynamic imbalance between the synthesis and degradation of articular chondrocytes, extracellular matrix and subchondral bone. The occurrence and development is related to many factors. This article reviews the structure, the function and the interaction between α2-macroglobulins and a disintegrin and metallo-proteinase with throm-bospondin motifs in the development of osteoarthritis.