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1.
Vaccine X ; 14: 100335, 2023 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-37409191

RESUMEN

Background: Australia has a large immigrant population but there is little data regarding whether human papillomavirus (HPV) vaccination coverage in adolescents varies according to parents' cultural or ethnic background. This work aims to identify facilitators and barriers to HPV vaccination of adolescents as perceived by Arabic-speaking mothers in Western Sydney, South Western Sydney and Wollongong, NSW, Australia. Methods: A purposive sampling approach was applied to recruit mothers of adolescents from Arabic speaking backgrounds who had at least one child eligible for the HPV school-based vaccination program. Face-to-face semi-structured well as online interviews were conducted in Arabic between April 2021 and July 2021. The interviews were audio-recorded, transcribed, and translated into English and examined using thematic analysis. Results: Sixteen mothers of adolescents from Arabic backgrounds described facilitators and barriers to HPV vaccination. A) Facilitators of HPV vaccination included: knowledge of HPV disease, trust in the school vaccination program, opportunistic recommendations from healthcare workers, information from friends. B) Barriers to accessing HPV vaccination included communication gaps: breakdown in school-parent information flow, lack of access to the Arabic language version of the information sheet, mother - GP communication barriers, mother-child communication gap; and health system gaps: missed opportunities for vaccination. C) Mothers' suggestions to improve HPV vaccination acceptance: to involve religious and cultural leadership, encourage engagement with GPs, and provide school-based education for parents and students. Conclusion: Parents could benefit from assistance with HPV vaccination decision making. Interventions via schools, health professionals and religious and cultural organisations could play important roles in HPV vaccination acceptance for Arabic speaking immigrant families and in introducing their adolescent children to this vaccine.

3.
J Infect Dis ; 217(10): 1590-1600, 2018 04 23.
Artículo en Inglés | MEDLINE | ID: mdl-29425358

RESUMEN

Introduction: A quadrivalent human papillomavirus vaccination program targeting females aged 12-13 years commenced in Australia in 2007, with catch-up vaccination of 14-26 year olds through 2009. We evaluated the program's impact on HPV prevalence among women aged 18-35 in 2015. Methods: HPV prevalence among women aged 18-24 and 25-35 was compared with prevalence in these age groups in 2005-2007. For women aged 18-24, we also compared prevalence with that in a postvaccine study conducted in 2010-2012. Results: For the 2015 sample, Vaccination Register-confirmed 3-dose coverage was 53.3% (65.0% and 40.3% aged 18-24 and 25-35, respectively). Prevalence of vaccine HPV types decreased from 22.7% (2005-2007) and 7.3% (2010-2012), to 1.5% (2015) (P trend < .001) among women aged 18-24, and from 11.8% (2005-2007) to 1.1% (2015) (P = .001) among those aged 25-35. Conclusions: This study, reporting the longest surveillance follow-up to date, shows prevalence of vaccine-targeted HPV types has continued to decline among young women. A substantial fall also occurred in women aged 25-35, despite lower coverage. Strong herd protection and effectiveness of less than 3 vaccine doses likely contributed to these reductions.


Asunto(s)
Papillomaviridae/inmunología , Infecciones por Papillomavirus/epidemiología , Infecciones por Papillomavirus/inmunología , Vacunas contra Papillomavirus/inmunología , Adolescente , Adulto , Australia/epidemiología , Femenino , Humanos , Programas de Inmunización/métodos , Prevalencia , Vacunación/métodos , Adulto Joven
4.
Vaccine ; 35(48 Pt B): 6676-6684, 2017 12 04.
Artículo en Inglés | MEDLINE | ID: mdl-29074201

RESUMEN

Most vaccinations are performed by intramuscular injection with a needle and syringe. However, this method is not ideal due to limitations, such as the risk of needle-stick injury, the requirement for trained personnel to give injections and the need to reconstitute lyophilized vaccines. Therefore, we tested an alternative delivery technology that overcomes the problems with needle and syringe. The Nanopatch™ is an array of 10,000 silicon micro-projections per cm2 that can be dry-coated with vaccine for skin delivery. The high number and density of micro-projections means that high velocity application is required to achieve consistent skin penetration. Before clinically testing a vaccine Nanopatch, this study tests the safety, tolerability and acceptability/utility of uncoated and excipient-coated Nanopatches in healthy adults. Nanopatches were applied to skin of the upper arm and volar forearm and left in contact with the skin for two minutes before removal. The application sites were assessed for local skin response over 28 days. Acceptability interviews were also performed. No unexpected adverse events directly related to the Nanopatch application were reported. All applications of the Nanopatch resulted in an expected erythema response which faded between days 3 and 7. In some subjects, some skin discolouration was visible for several days or up to 3 weeks after application. The majority (83%) of subjects reported a preference for the Nanopatch compared to the needle and syringe and found the application process to be simple and acceptable. On a pain scale from 0 to 10, 78% of applications were scored "0" (no pain) with the average scores for less than 1. The results from this study demonstrate the feasibility of the Nanopatch to improve vaccination by showing that application of the product without vaccine to human skin is safe, tolerable and preferred to needle and syringe administration. Clinical trial registry ID: ACTRN1261500083549.


Asunto(s)
Sistemas de Liberación de Medicamentos/métodos , Excipientes/química , Nanoestructuras/efectos adversos , Nanoestructuras/química , Silicio/química , Adulto , Sistemas de Liberación de Medicamentos/efectos adversos , Excipientes/administración & dosificación , Femenino , Humanos , Masculino , Persona de Mediana Edad , Nanoestructuras/administración & dosificación , Sujetos de Investigación , Silicio/administración & dosificación , Silicio/efectos adversos , Piel/efectos de los fármacos , Vacunas/administración & dosificación , Adulto Joven
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