Pular para o conteúdo principal

ETHNOS_APP

Início • Busca • Periódicos • Lista 0

Vivian Colón‐López

Dados Biográficos

ID6651362
NOMEVivian Colón‐López
PRENOMESVivian
SOBRENOMEColón‐López
ASSINATURALÓPEZ V C
AFILIAÇÕESUniversity of Puerto Rico System
ORCID0000-0002-0008-1539
VERIFICADOSim
TOTAL DE OBRAS26
TOTAL DE CITAÇÕES4
TOTAL COMO AUTOR26
TOTAL COMO EDITOR0
PRIMEIRO ANO DE PUBLICAÇÃO2009
ANO MAIS RECENTE DE PUBLICAÇÃO2026
ÍNDICE H1
  • Environmental exposures, microbiome dynamics and chronic disease risk in climate-vulnerable regions

    Open Access•Filipa Godoy‐Vitorino, Filipa Godoy-Vitorino et al.•ARTICLE•Frontiers in Public Health•2026

    Environmental factors such as air pollution, weather events, and ambient toxins are major contributors to human disease, with disproportionate impacts on vulnerable populations. In Puerto Rico, chronic exposure to air pollution and ecological disruption poses significant public health risks, particularly for cancer and other chronic conditions. These risks are unevenly distributed, disproportionately affecting children and older adults, groups ce…

  • More stressful than cancer’

    Open Access•Vivian Colón‐López, Yara Sánchez-Cabrera et al.•ARTICLE•BMC Public Health•2025

    Stressors directly linked with the disaster were most challenging to cope with. Our data highlights the impending need to address cancer patients in future emergency plans to minimize the delay in continuing cancer care

  • Perception of healthcare professionals about the knowledge of people living with HIV regarding clinical trials for HIV-related cancers

    Open Access•Jessica Hernandez, Jessica Hernández-Marrero et al.•ARTICLE•BMC Public Health•2025

    Not applicable

  • The Puerto Rico community engagement alliance (PR-Ceal) against Covid-19 disparities

    Open Access•Adriana D Pons-Calvo, Cynthia M Pérez et al.•ARTICLE•Frontiers in Public Health•2024

    In September 2020, the National Institutes of Health acted in response to the COVID-19 pandemic, recognizing the critical need to combat misinformation, particularly in communities disproportionately affected by the crisis. The Community Engagement Alliance (CEAL) emerged as an initiative dedicated to fostering reliable, science-based information, diversity, and inclusion; aiming to implement effective strategies to mitigate the spread of COVID-1…

  • State and territory immunization program activities and their association with human papillomavirus vaccine initiation in the United States of America

    Open Access•Vivian Colón‐López, Francisco J Muñoz‐Torres et al.•ARTICLE•PLOS Global Public Health•2024

    This study evaluates the association between immunization program (IP) activities aimed at increasing HPV vaccination among adolescents and their impact on initiation rates. Our data sources are: (i) 2016 AIM Annual Survey and (ii) 2019 National Immunization Survey–Teen. We estimated the prevalence of HPV vaccine initiation using a multilevel Poisson model, combining state-level IP data and individual characteristics of adolescents. We calculated…

  • Cancer Treatment Disruption by Residence Region in the Aftermath of Hurricanes Irma and María in Puerto Rico

    Open Access•Francisco J Muñoz‐Torres, Marievelisse Soto‐Salgado et al.•ARTICLE•International Journal of…•2024

    Since 2017, Puerto Rico has faced environmental, economic, and political crises, leading to the emigration of healthcare workers and weakening the healthcare system. These challenges have affected cancer treatment continuity, exacerbating healthcare access challenges island-wide. In this study, we estimate the effect of the residence region on cancer treatment disruption following Hurricanes Irma and María (2017). Telephone surveys were conducted…

  • Delays in Care by Race, Ethnicity, and Gender Before and During the Covid-19 Pandemic Using Cross-Sectional Data From the National Institutes of Health's All of Us Research Program

    Open Access•Katherine A Hill, Vivian Colón-López et al.•ARTICLE•Women s Health Issues•2024

  • Challenges Accessing Food, Water, Healthcare Services, and Medications During the Covid-19 Pandemic Among Adults in Puerto Rico and Their Association with Self-Rated Health

    Open Access•Nayeli Shad, Vivian Colón-López et al.•ARTICLE•Journal of Racial and Ethnic…•2024•Referências: 22

  • Breast and Colorectal Cancer Screening Utilization after Hurricane María and the Covid-19 Pandemic in Puerto Rico

    Open Access•Vivian Colón‐López, Hector M Contreras-Mora et al.•ARTICLE•International Journal of…•2023

    Puerto Rico (PR) has faced environmental and public health challenges that could have significantly affected cancer screening access. Using administrative claims data from PR's Medicaid population, this study assessed trends in colorectal and breast cancer screening from 2016 to 2021, the impact of disasters in screening, and the absolute deficit in screening due to the pandemic. The monthly rates of claims were analyzed using Poisson regression.…

  • Barriers and facilitators to anal cancer screening among people living with HIV in Puerto Rico

    Open Access•Gabriela Cruz, Gabriela De la Cruz et al.•ARTICLE•BMC Public Health•2023

    With emerging evidence on the effectiveness of screening and treatment for anal cancer, several organizations are steering toward generating consensus-based anal cancer screening recommendations. Our study provides foundational data on barriers and facilitators to anal cancer screening in Puerto Rico that will be critical to informing screening implementation in this US territory

  • Seroprevalence and risk factors associated with hepatitis C

    Open Access•Vivian Colón‐López, Paola M Alvelo-Fernández et al.•ARTICLE•BMC Public Health•2023

    We report a high seroprevalence of HCV infection in PWID. Social health disparities and potential missed opportunities validate the continuing call for local action for public health and prevention strategies

  • Human papillomavirus vaccine initiation and up-to-date vaccine coverage for adolescents after the implementation of school-entry policy in Puerto Rico

    Open Access•Vivian Colón‐López, Pamela C Hull et al.•ARTICLE•PLOS Global Public Health•2022

    The human papillomavirus (HPV) vaccine has been proven effective in the prevention of infection with high-risk HPV types, which can lead to the development of six HPV-related cancers. Puerto Rico (PR) adopted a mandatory HPV vaccination school-entry policy that took effect in August 2018. While school-entry requirements are generally accepted as an effective approach for increasing vaccination rates, there are few studies that have documented the…

  • Religiosity and Beliefs toward Covid-19 Vaccination among Adults in Puerto Rico

    Open Access•Andrea López‐cepero, McClaren Rodríguez et al.•ARTICLE•International Journal of…•2022

    Religiosity may influence COVID-19 vaccination. However, it remains unclear how religiosity is associated with beliefs toward COVID-19 and vaccination against it, particularly amongst ethnic minorities. This study examined the association between religiosity, vaccination intent, beliefs, and attitudes related to COVID-19 and vaccination among adults in Puerto Rico. Data from an online survey conducted between December 2020-February 2021 among adu…

  • Esfuerzos realizados en Puerto Rico hacia la consolidación de políticas públicas para la prevención de cánceres asociados al VPH

    Open Access•Diana T Medina-Laabes, Vivian Colón-López et al.•ARTICLE•Revista Panamericana de Salud…•2022

    El propósito de este informe especial es describir cronológicamente los eventos que contribuyeron al desarrollo y aprobación de la legislación e implementación del requisito escolar de vacunación en Puerto Rico (PR), con el fin de prevenir el VPH y los cánceres asociados a este. A partir del 2010, PR inició las aprobaciones de políticas públicas con el objetivo de mejorar el registro de casos de los cánceres y la cobertura de la vacuna contra el …

  • Never Screened

    Open Access•Alelí M Ayala‐Marín, Vivian Colón‐López et al.•ARTICLE•Health Education & Behavior•2021

    Breast cancer is the most commonly diagnosed cancer and the leading cause of cancer-related death among women in Puerto Rico (PR). The purpose of this study was to identify factors associated with never screened status among a sample of women nonadherent to the 2013 American Cancer Society guidelines. The inclusion criteria for this study were being a woman (1) aged ≥40 years old and (2) nonadherent to breast cancer screening guidelines. We used …

  • Content analysis of digital media coverage of the human papillomavirus vaccine school-entry requirement policy in Puerto Rico

    Open Access•Vivian Colón‐López, Vilnery Rivera-Figueroa et al.•ARTICLE•BMC Public Health•2021

    Most of the media coverage in PR was neutral and included limited information related to the vaccine, HPV, and HPV-related cancers. Neutral and negative themes could influence public concerns regarding the new policy, as well as HPV vaccination rates in PR

  • Understanding parents’ views toward the newly enacted HPV vaccine school entry policy in Puerto Rico

    Open Access•Vivian Colón‐López, Diana T Medina-Laabes et al.•ARTICLE•BMC Public Health•2021

    Most barriers mentioned by study participants are modifiable. Information about the HPV vaccine mandate's implementation and educational materials regarding HPV vaccine safety need to be provided to address parents' concerns related to the vaccine's side effects. Schools (teachers, principal directors, and administrative staff), the government, and parent organizations need to be part of these efforts. This multilevel approach will help to improv…

  • Effect of an Educational Video to Increase Calls and Screening into an Anal Cancer Clinical Trial Among HIV+ Hispanics in PR

    Open Access•Ana P Ortiz, Mark Machin et al.•ARTICLE•AIDS and Behavior•2018

  • Original title

    Sandra Miranda De León, Carola T Sánchez-Díaz et al.•ARTICLE•Ethnicity and Health•2017

    Behavioral surveillance systems in groups such as MSM in on the island will aid to monitor prospectively the effectiveness of HIV testing outreach and engagement, as well as capacity capacity-building strategies targeted towards health care providers, aimed to increase HIV testing and awareness among this group

  • Same-Sex Behavior and its Relationship with Sexual and Health-Related Practices Among a Population-Based Sample of Women in Puerto Rico

    Marievelisse Soto‐Salgado, Marievelisse Soto-Salgado et al.•ARTICLE•International Journal of Sexual…•2016

    This secondary data analysis aimed to estimate the prevalence of same-sex behavior and sexual and health-related practices of a population-based sample (n=560) of women aged 16-64 years in Puerto Rico (PR). Data collection included interviews and biologic samples. Seven percent of the sample had had sex with other women (WSW). Age-adjusted logistic regression models indicated that WSW had higher odds of history of cancer, having ≥ 7 lifetime sexu…

  • Coming Out to Health Care Providers in Puerto Rico

    Sandra Miranda De León, Carola T Sánchez Díaz et al.•ARTICLE•International Journal of Sexual…•2016

    Disclosure of same-sex attraction to healthcare providers (HCPs) by MSM is critical because it may promote appropriate health care. We describe factors influencing disclosure of same-sex attraction to HCPs by 302 MSM ages 18 to 73 years who participated in the Puerto Rico National HIV Behavioral Surveillance study. Over 50% had disclosed same-sex attraction to HCPs, and those who had disclosed were significantly older and more likely to be aware …

  • Communication about sex and HPV among Puerto Rican mothers and daughters

    Vivian Colón‐López, Natalie Fernández-Espada et al.•ARTICLE•Ethnicity and Health•2016•Citada por: 1•Referências: 5

    Although daughters in this study struggled with feelings of embarrassment, invasion of privacy, encouragement of abstinence, and the fear of parents' reaction to them being sexually active prior to marriage, they also recognized the need to increase the parent-daughter communication about sex-related topics including HPV and the HPV vaccine. Educational efforts should target both daughters and parents to increase communication skills and self-eff…

  • HPV Awareness and Vaccine Willingness Among Dominican Immigrant Parents Attending a Federal Qualified Health Clinic in Puerto Rico

    Open Access•Vivian Colón‐López, Valerie Quiñones et al.•ARTICLE•Journal of Immigrant and Minority…•2014

  • Exploring the Role of Ethnic Identity on the Attitudes Towards HPV Vaccine Advertising Among Puerto Ricans

    Open Access•William A Calo, Maria E Fernandez et al.•ARTICLE•Journal of Immigrant and Minority…•2013

  • Addressing Health Disparities Among Men

    Open Access•Vivian Colón‐López, Marievelisse Soto‐Salgado et al.•ARTICLE•Sexuality Research and Social…•2013•Citada por: 2

Próximo
  • Addressing Health Disparities Among Men

    Open Access•Vivian Colón‐López, Marievelisse Soto‐Salgado et al.•ARTICLE•Sexuality Research and Social…•2013•Citada por: 2

  • Communication about sex and HPV among Puerto Rican mothers and daughters

    Vivian Colón‐López, Natalie Fernández-Espada et al.•ARTICLE•Ethnicity and Health•2016•Citada por: 1•Referências: 5

    Although daughters in this study struggled with feelings of embarrassment, invasion of privacy, encouragement of abstinence, and the fear of parents' reaction to them being sexually active prior to marriage, they also recognized the need to increase the parent-daughter communication about sex-related topics including HPV and the HPV vaccine. Educational efforts should target both daughters and parents to increase communication skills and self-eff…

  • Prevalence and Incidence of HCV Infection among Vietnam Heroin Users with Recent Onset of Injection

    Open Access•Michael C Clatts, Vivian Colón‐López et al.•ARTICLE•Journal of Urban Health•2009•Citada por: 1

  • Prevalence and Incidence of HCV Infection among Vietnam Heroin Users with Recent Onset of Injection

    Open Access•Michael C Clatts, Vivian Colón‐López et al.•ARTICLE•Journal of Urban Health•2009•Citada por: 1

  • Exploring the Role of Ethnic Identity on the Attitudes Towards HPV Vaccine Advertising Among Puerto Ricans

    Open Access•William A Calo, Maria E Fernandez et al.•ARTICLE•Journal of Immigrant and Minority…•2013

  • Addressing Health Disparities Among Men

    Open Access•Vivian Colón‐López, Marievelisse Soto‐Salgado et al.•ARTICLE•Sexuality Research and Social…•2013•Citada por: 2

  • HPV Awareness and Vaccine Willingness Among Dominican Immigrant Parents Attending a Federal Qualified Health Clinic in Puerto Rico

    Open Access•Vivian Colón‐López, Valerie Quiñones et al.•ARTICLE•Journal of Immigrant and Minority…•2014

  • Same-Sex Behavior and its Relationship with Sexual and Health-Related Practices Among a Population-Based Sample of Women in Puerto Rico

    Marievelisse Soto‐Salgado, Marievelisse Soto-Salgado et al.•ARTICLE•International Journal of Sexual…•2016

    This secondary data analysis aimed to estimate the prevalence of same-sex behavior and sexual and health-related practices of a population-based sample (n=560) of women aged 16-64 years in Puerto Rico (PR). Data collection included interviews and biologic samples. Seven percent of the sample had had sex with other women (WSW). Age-adjusted logistic regression models indicated that WSW had higher odds of history of cancer, having ≥ 7 lifetime sexu…

  • Coming Out to Health Care Providers in Puerto Rico

    Sandra Miranda De León, Carola T Sánchez Díaz et al.•ARTICLE•International Journal of Sexual…•2016

    Disclosure of same-sex attraction to healthcare providers (HCPs) by MSM is critical because it may promote appropriate health care. We describe factors influencing disclosure of same-sex attraction to HCPs by 302 MSM ages 18 to 73 years who participated in the Puerto Rico National HIV Behavioral Surveillance study. Over 50% had disclosed same-sex attraction to HCPs, and those who had disclosed were significantly older and more likely to be aware …

  • Communication about sex and HPV among Puerto Rican mothers and daughters

    Vivian Colón‐López, Natalie Fernández-Espada et al.•ARTICLE•Ethnicity and Health•2016•Citada por: 1•Referências: 5

    Although daughters in this study struggled with feelings of embarrassment, invasion of privacy, encouragement of abstinence, and the fear of parents' reaction to them being sexually active prior to marriage, they also recognized the need to increase the parent-daughter communication about sex-related topics including HPV and the HPV vaccine. Educational efforts should target both daughters and parents to increase communication skills and self-eff…

  • Original title

    Sandra Miranda De León, Carola T Sánchez-Díaz et al.•ARTICLE•Ethnicity and Health•2017

    Behavioral surveillance systems in groups such as MSM in on the island will aid to monitor prospectively the effectiveness of HIV testing outreach and engagement, as well as capacity capacity-building strategies targeted towards health care providers, aimed to increase HIV testing and awareness among this group

  • Effect of an Educational Video to Increase Calls and Screening into an Anal Cancer Clinical Trial Among HIV+ Hispanics in PR

    Open Access•Ana P Ortiz, Mark Machin et al.•ARTICLE•AIDS and Behavior•2018

  • Never Screened

    Open Access•Alelí M Ayala‐Marín, Vivian Colón‐López et al.•ARTICLE•Health Education & Behavior•2021

    Breast cancer is the most commonly diagnosed cancer and the leading cause of cancer-related death among women in Puerto Rico (PR). The purpose of this study was to identify factors associated with never screened status among a sample of women nonadherent to the 2013 American Cancer Society guidelines. The inclusion criteria for this study were being a woman (1) aged ≥40 years old and (2) nonadherent to breast cancer screening guidelines. We used …

  • Content analysis of digital media coverage of the human papillomavirus vaccine school-entry requirement policy in Puerto Rico

    Open Access•Vivian Colón‐López, Vilnery Rivera-Figueroa et al.•ARTICLE•BMC Public Health•2021

    Most of the media coverage in PR was neutral and included limited information related to the vaccine, HPV, and HPV-related cancers. Neutral and negative themes could influence public concerns regarding the new policy, as well as HPV vaccination rates in PR

  • Understanding parents’ views toward the newly enacted HPV vaccine school entry policy in Puerto Rico

    Open Access•Vivian Colón‐López, Diana T Medina-Laabes et al.•ARTICLE•BMC Public Health•2021

    Most barriers mentioned by study participants are modifiable. Information about the HPV vaccine mandate's implementation and educational materials regarding HPV vaccine safety need to be provided to address parents' concerns related to the vaccine's side effects. Schools (teachers, principal directors, and administrative staff), the government, and parent organizations need to be part of these efforts. This multilevel approach will help to improv…

  • Human papillomavirus vaccine initiation and up-to-date vaccine coverage for adolescents after the implementation of school-entry policy in Puerto Rico

    Open Access•Vivian Colón‐López, Pamela C Hull et al.•ARTICLE•PLOS Global Public Health•2022

    The human papillomavirus (HPV) vaccine has been proven effective in the prevention of infection with high-risk HPV types, which can lead to the development of six HPV-related cancers. Puerto Rico (PR) adopted a mandatory HPV vaccination school-entry policy that took effect in August 2018. While school-entry requirements are generally accepted as an effective approach for increasing vaccination rates, there are few studies that have documented the…

  • Religiosity and Beliefs toward Covid-19 Vaccination among Adults in Puerto Rico

    Open Access•Andrea López‐cepero, McClaren Rodríguez et al.•ARTICLE•International Journal of…•2022

    Religiosity may influence COVID-19 vaccination. However, it remains unclear how religiosity is associated with beliefs toward COVID-19 and vaccination against it, particularly amongst ethnic minorities. This study examined the association between religiosity, vaccination intent, beliefs, and attitudes related to COVID-19 and vaccination among adults in Puerto Rico. Data from an online survey conducted between December 2020-February 2021 among adu…

  • Esfuerzos realizados en Puerto Rico hacia la consolidación de políticas públicas para la prevención de cánceres asociados al VPH

    Open Access•Diana T Medina-Laabes, Vivian Colón-López et al.•ARTICLE•Revista Panamericana de Salud…•2022

    El propósito de este informe especial es describir cronológicamente los eventos que contribuyeron al desarrollo y aprobación de la legislación e implementación del requisito escolar de vacunación en Puerto Rico (PR), con el fin de prevenir el VPH y los cánceres asociados a este. A partir del 2010, PR inició las aprobaciones de políticas públicas con el objetivo de mejorar el registro de casos de los cánceres y la cobertura de la vacuna contra el …

  • Breast and Colorectal Cancer Screening Utilization after Hurricane María and the Covid-19 Pandemic in Puerto Rico

    Open Access•Vivian Colón‐López, Hector M Contreras-Mora et al.•ARTICLE•International Journal of…•2023

    Puerto Rico (PR) has faced environmental and public health challenges that could have significantly affected cancer screening access. Using administrative claims data from PR's Medicaid population, this study assessed trends in colorectal and breast cancer screening from 2016 to 2021, the impact of disasters in screening, and the absolute deficit in screening due to the pandemic. The monthly rates of claims were analyzed using Poisson regression.…

  • Barriers and facilitators to anal cancer screening among people living with HIV in Puerto Rico

    Open Access•Gabriela Cruz, Gabriela De la Cruz et al.•ARTICLE•BMC Public Health•2023

    With emerging evidence on the effectiveness of screening and treatment for anal cancer, several organizations are steering toward generating consensus-based anal cancer screening recommendations. Our study provides foundational data on barriers and facilitators to anal cancer screening in Puerto Rico that will be critical to informing screening implementation in this US territory

  • Seroprevalence and risk factors associated with hepatitis C

    Open Access•Vivian Colón‐López, Paola M Alvelo-Fernández et al.•ARTICLE•BMC Public Health•2023

    We report a high seroprevalence of HCV infection in PWID. Social health disparities and potential missed opportunities validate the continuing call for local action for public health and prevention strategies

  • The Puerto Rico community engagement alliance (PR-Ceal) against Covid-19 disparities

    Open Access•Adriana D Pons-Calvo, Cynthia M Pérez et al.•ARTICLE•Frontiers in Public Health•2024

    In September 2020, the National Institutes of Health acted in response to the COVID-19 pandemic, recognizing the critical need to combat misinformation, particularly in communities disproportionately affected by the crisis. The Community Engagement Alliance (CEAL) emerged as an initiative dedicated to fostering reliable, science-based information, diversity, and inclusion; aiming to implement effective strategies to mitigate the spread of COVID-1…

  • State and territory immunization program activities and their association with human papillomavirus vaccine initiation in the United States of America

    Open Access•Vivian Colón‐López, Francisco J Muñoz‐Torres et al.•ARTICLE•PLOS Global Public Health•2024

    This study evaluates the association between immunization program (IP) activities aimed at increasing HPV vaccination among adolescents and their impact on initiation rates. Our data sources are: (i) 2016 AIM Annual Survey and (ii) 2019 National Immunization Survey–Teen. We estimated the prevalence of HPV vaccine initiation using a multilevel Poisson model, combining state-level IP data and individual characteristics of adolescents. We calculated…

  • Cancer Treatment Disruption by Residence Region in the Aftermath of Hurricanes Irma and María in Puerto Rico

    Open Access•Francisco J Muñoz‐Torres, Marievelisse Soto‐Salgado et al.•ARTICLE•International Journal of…•2024

    Since 2017, Puerto Rico has faced environmental, economic, and political crises, leading to the emigration of healthcare workers and weakening the healthcare system. These challenges have affected cancer treatment continuity, exacerbating healthcare access challenges island-wide. In this study, we estimate the effect of the residence region on cancer treatment disruption following Hurricanes Irma and María (2017). Telephone surveys were conducted…

  • Delays in Care by Race, Ethnicity, and Gender Before and During the Covid-19 Pandemic Using Cross-Sectional Data From the National Institutes of Health's All of Us Research Program

    Open Access•Katherine A Hill, Vivian Colón-López et al.•ARTICLE•Women s Health Issues•2024

  • Challenges Accessing Food, Water, Healthcare Services, and Medications During the Covid-19 Pandemic Among Adults in Puerto Rico and Their Association with Self-Rated Health

    Open Access•Nayeli Shad, Vivian Colón-López et al.•ARTICLE•Journal of Racial and Ethnic…•2024•Referências: 22

  • More stressful than cancer’

    Open Access•Vivian Colón‐López, Yara Sánchez-Cabrera et al.•ARTICLE•BMC Public Health•2025

    Stressors directly linked with the disaster were most challenging to cope with. Our data highlights the impending need to address cancer patients in future emergency plans to minimize the delay in continuing cancer care

  • Perception of healthcare professionals about the knowledge of people living with HIV regarding clinical trials for HIV-related cancers

    Open Access•Jessica Hernandez, Jessica Hernández-Marrero et al.•ARTICLE•BMC Public Health•2025

    Not applicable

Medicine (25 obras) · Family medicine (14 obras) · Public health (14 obras) · Demography (12 obras) · Cervical Cancer and HPV Research (11 obras) · Environmental health (11 obras) · Internal Medicine (11 obras) · Cancer (10 obras) · Nursing (10 obras) · Vaccine Coverage and Hesitancy (10 obras)

Ethnos_APP • Projeto Open Source • Licença MIT • Frontend v2.0.0 • Privacidade e Cookies • Documentação da API: api.ethnos.app/docs • Código da API: GitHub • DOI: 10.5281/zenodo.17049435 • Código do Frontend: GitHub • DOI: 10.5281/zenodo.17050053 • cruz.rio.br • Expectantes Misericordiae