Clarissa Simas
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View article: COVID-19 vaccine acceptance and its socio-demographic and emotional determinants: A multi-country cross-sectional study
COVID-19 vaccine acceptance and its socio-demographic and emotional determinants: A multi-country cross-sectional study Open
View article: Strategic silences, eroded trust: The impact of divergent COVID-19 vaccine sentiments on healthcare workers' relations with peers and patients
Strategic silences, eroded trust: The impact of divergent COVID-19 vaccine sentiments on healthcare workers' relations with peers and patients Open
Belgian HCW perceived Covid-19 vaccines as a risky discussion topic and engaged in "strategic silences" around vaccination to maintain functional work relationships and employment in health institutions. Loss of trust between HCW and peers…
View article: An epidemic of uncertainty: rumors, conspiracy theories and vaccine hesitancy
An epidemic of uncertainty: rumors, conspiracy theories and vaccine hesitancy Open
View article: Doubt at the core: Unspoken vaccine hesitancy among healthcare workers
Doubt at the core: Unspoken vaccine hesitancy among healthcare workers Open
View article: ‘‘Those who do not vaccinate don’t love themselves, or anyone else’’: a qualitative study of views and attitudes of urban pregnant women towards maternal immunisation in Panama
‘‘Those who do not vaccinate don’t love themselves, or anyone else’’: a qualitative study of views and attitudes of urban pregnant women towards maternal immunisation in Panama Open
Objectives To identify pregnant women’s views and attitudes towards maternal immunisation in Panama based on in-depth interviews and focus groups. Setting Two main urban centres in Panama (San Miguelito and Panama City). Participants Fifty…
View article: “From my phone, I could rule the world”: Critical engagement with maternal vaccine information, vaccine confidence builders and post-Zika outbreak rumours in Brazil
“From my phone, I could rule the world”: Critical engagement with maternal vaccine information, vaccine confidence builders and post-Zika outbreak rumours in Brazil Open
View article: “Saint Google, now we have information!”: a qualitative study on narratives of trust and attitudes towards maternal vaccination in Mexico City and Toluca
“Saint Google, now we have information!”: a qualitative study on narratives of trust and attitudes towards maternal vaccination in Mexico City and Toluca Open
Background Maternal vaccination is key to decreasing maternal and infant mortality globally. Yet perceptions about maternal vaccines and immunization among pregnant women are often understudied, particularly in low- and middle- income coun…
View article: Overcoming vaccine hesitancy in low-income and middle-income regions
Overcoming vaccine hesitancy in low-income and middle-income regions Open
View article: COVID-19 vaccine acceptance and its socio-demographic and emotional determinants: a multi-country cross-sectional study
COVID-19 vaccine acceptance and its socio-demographic and emotional determinants: a multi-country cross-sectional study Open
Background Multiple COVID-19 vaccines have now been licensed for human use, with other candidate vaccines in different stages of development. Effective and safe vaccines against COVID-19 are essential to achieve global control of the pande…
View article: Vaccine safety in the next decade: why we need new modes of trust building
Vaccine safety in the next decade: why we need new modes of trust building Open
Among the realm of highly varied vaccine perceptions and concerns expressed by publics around the world, vaccine safety is the most frequently cited. While many of the safety questions raised have substantial evidence to address the concer…
View article: Methods for Social Media Monitoring Related to Vaccination: Systematic Scoping Review
Methods for Social Media Monitoring Related to Vaccination: Systematic Scoping Review Open
Background Social media has changed the communication landscape, exposing individuals to an ever-growing amount of information while also allowing them to create and share content. Although vaccine skepticism is not new, social media has a…
View article: Mapping global trends in vaccine confidence and investigating barriers to vaccine uptake: a large-scale retrospective temporal modelling study
Mapping global trends in vaccine confidence and investigating barriers to vaccine uptake: a large-scale retrospective temporal modelling study Open
View article: Prevention and control of HPV infection and HPV-related cancers in Colombia- a meeting report
Prevention and control of HPV infection and HPV-related cancers in Colombia- a meeting report Open
The Human Papillomavirus (HPV) Prevention and Control Board is an independent multidisciplinary board of international experts that disseminates relevant information on HPV to a broad array of stakeholders and provides guidance on strategi…
View article: Hope and trust in times of Zika: the views of caregivers and healthcare workers at the forefront of the epidemic in Brazil
Hope and trust in times of Zika: the views of caregivers and healthcare workers at the forefront of the epidemic in Brazil Open
This article investigates how hope and trust played out for two groups at the forefront of the Zika epidemic: caregivers of children with congenital Zika syndrome and healthcare workers. We conducted 76 in-depth interviews with members of …
View article: Referee report. For: Antenatal care providers’ attitudes and beliefs towards maternal vaccination in Kenya [version 1; peer review: 1 approved]
Referee report. For: Antenatal care providers’ attitudes and beliefs towards maternal vaccination in Kenya [version 1; peer review: 1 approved] Open
View article: Methods for Social Media Monitoring Related to Vaccination: Systematic Scoping Review (Preprint)
Methods for Social Media Monitoring Related to Vaccination: Systematic Scoping Review (Preprint) Open
BACKGROUND Social media has changed the communication landscape, exposing individuals to an ever-growing amount of information while also allowing them to create and share content. Although vaccine skepticism is not new, social media has …
View article: Social and economic impacts of congenital Zika syndrome in Brazil: Study protocol and rationale for a mixed-methods study
Social and economic impacts of congenital Zika syndrome in Brazil: Study protocol and rationale for a mixed-methods study Open
Global concern broke out in late 2015 as thousands of children in Brazil were born with microcephaly, which was quickly linked to congenital infection with Zika virus (ZIKV). ZIKV is now known to cause a wider spectrum of severe adverse ou…
View article: Reply letter re: “Mass psychogenic illness following HPV immunization in Carmen de Bolivar, Colombia”
Reply letter re: “Mass psychogenic illness following HPV immunization in Carmen de Bolivar, Colombia” Open
We are replying to the Letter to the Editor1 in reply to our case report, “Mass psychogenic illness following HPV immunization in Carmen de Bolivar, Colombia.”2While we appreciate the perspective p...
View article: HPV vaccination in a context of public mistrust and uncertainty: a systematic literature review of determinants of HPV vaccine hesitancy in Europe
HPV vaccination in a context of public mistrust and uncertainty: a systematic literature review of determinants of HPV vaccine hesitancy in Europe Open
Europe is increasingly described as the region in the world with the least confidence in vaccination, and particularly in the safety of vaccines. The aim of this systematic literature review was to gather and summarise all peer-reviewed an…
View article: Social and economic impacts of congenital Zika syndrome in Brazil: Study protocol and rationale for a mixed-methods study
Social and economic impacts of congenital Zika syndrome in Brazil: Study protocol and rationale for a mixed-methods study Open
Global concern broke out in late 2015 as thousands of children in Brazil were born with microcephaly, which was quickly linked to congenital infection with Zika virus (ZIKV). ZIKV is now known to cause a wider spectrum of severe adverse ou…
View article: HPV vaccine confidence and cases of mass psychogenic illness following immunization in Carmen de Bolivar, Colombia
HPV vaccine confidence and cases of mass psychogenic illness following immunization in Carmen de Bolivar, Colombia Open
We report the case of multiple adverse reactions following HPV vaccination in Colombian adolescents in Carmen de Bolivar. In August 2012, the country introduced a school-based HPV immunization programme which successfully reached over 90% …