1.Drivers for decision change in getting vaccinated against COVID-19: A retrospective cross-sectional study
Rosemary R. Seva ; Lourdes Marie S. Tejero ; Bettina Joyce P. Ilagan
Acta Medica Philippina 2026;60(3):60-69
Background:
A certain percentage of the vaccinated population initially did not want to get vaccinated but changed
their minds (from 30% to 70%). By October 2022, World Bank reported that the Philippines had 77.8% COVID-19 vaccination rate. Knowing the factors that changed their decision can help improve the vaccination rate.
Objective:
This survey aimed to identify the factors that influence positive change in vaccination decisions.
Methods:
This survey was conducted in the Philippines among Filipinos aged 18-80 years old between March to April 2022. The dependent variable in the study was decision change, a binary variable coded as 1 for a vaccinated person who changed their decision from no to yes and 0 for an unvaccinated person who did not change their decision from yes to no.
Results:
Age (adjusted odds ratio [aOR] = 0.92, 95% CI = 0.89-0.96) and having a college degree (aOR=11.707,
95% CI=3.23-42.41) are related to changing decisions. Young and college degree holders are likely to change their decisions positively about getting vaccinated. Employer requirement also influences decision change because it affects a person's livelihood. High scores on vaccine confidence (aOR = 1.181, 95% CI = 1.12-1.25) and awareness (aOR = 1.318, 95% CI = 1.08-1.61) are associated with decision change.
Conclusion
Being young, educated, employed with a requirement to vaccinate, and having high vaccine awareness
and confidence are strongly associated with a positive change in the decision to get vaccinated.
Vaccines
;
Vaccination
;
Philippines
;
Awareness
;
Covid-19
2.COVID-19 vaccine literacy, confidence, and vaccination coverage in two Geographically Isolated and Disadvantaged Areas (GIDAs) in Floridablanca, Pampanga: A descriptive cross-sectional study
Dennise Grace C. Lazam ; Juean Joloue D. Lama ; Azizzah M. Lao ; Mark Brandon G. Lao ; Jerenlyn A. Laxamana ; Kayla Gabrielle C. Lecciones ; Ma. Hannah Sofia R. Magtibay ; Juan Miguel M. Mañ ; ago ; Angelica Mae G. Manalo ; Nicole Ira L. Manere ; Charles Kevin L. Rivera, MD ; Maria Peñ ; afrancia L. Adversario, MD, MSPH ; Maria Milagros U. Magat, MD, MEM
Health Sciences Journal 2026;15(1):23-35
Introduction:
Effective vaccination campaigns have been instrumental in reducing COVID-19 transmission and severe disease outcomes. Despite efforts to improve vaccine accessibility, vaccine literacy and confidence remain important determinants of vaccine uptake. Rural and geographically isolated communities often experience barriers to healthcare access that may affect vaccination coverage. This study aimed to assess COVID-19 vaccination coverage, vaccine literacy, and vaccine confidence among residents of selected Geographically Isolated and Disadvantaged Areas (GIDAs) in Floridablanca, Pampanga.
Methods:
A descriptive cross-sectional study was conducted among 211 residents of Barangays San Ramon and Nabuclod. Data were collected through face-to-face interviews using a translated and pretested questionnaire on vaccine literacy and vaccine confidence. Vaccination records obtained from the Rural Health Unit were reviewed to determine COVID-19 vaccination coverage. Descriptive statistics, including
frequencies and percentages, were used to summarize the data.
Results:
The majority of respondents demonstrated an average level of vaccine literacy (75.8%), while 17.5% exhibited high vaccine literacy. Most respondents also demonstrated positive to very positive vaccine confidence (71.6%). Among the eligible population, 80.5% had completed the primary COVID-19 vaccination series, whereas 19.5% remained unvaccinated. Among those who completed the primary series, only 24.2% had received at least one booster dose.
Conclusion
Residents of the selected GIDAs generally demonstrated average vaccine literacy, positive vaccine confidence, and relatively high primary COVID-19 vaccination coverage. However, low booster uptake and the persistence of unvaccinated individuals highlight the need for sustained health education, improved healthcare accessibility, and targeted community-based interventions. These findings underscore the importance of strengthening vaccine literacy and confidence to support future immunization programs in geographically isolated communities.
COVID-19
;
Rural Health
;
Vaccination coverage
3.Determinants of COVID-19 vaccine hesitancy among senior citizens in Dauis, Bohol
Jonah Christi Miñ ; oza-ancog ; Wilnilia R. Causing
The Filipino Family Physician 2025;63(1):20-25
BACKGROUND
Vaccine hesitancy among senior citizens remains common in many countries. This was significantly observed during the COVID-19 pandemic in Dauis, Bohol, Philippines. However, there is limited research on the factors influencing this hesitancy.
OBJECTIVEThis study aimed to identify the determinants associated with COVID-19 vaccine hesitancy among senior citizens in the municipality of Dauis, Bohol.
METHODSThis case-control study employed a modified survey questionnaire adapted from relevant literatures. A total of 497 registered senior citizens participated, of whom 331 were vaccinated against COVID-19 and 166 were unvaccinated. The study determined the socio-demographic factors, health status, and perceptions of COVID-19 vaccine safety. Bivariate and multivariable logistic regression analyses were used to identify factors associated with vaccine hesitancy.
RESULTSThe study found that respondents aged 84 and older were significantly more likely to exhibit vaccine hesitancy (p = 0.018, OR = 7.817). In contrast, factors associated with a reduced likelihood of hesitancy included having tertiary education (p = 0.012, OR = 0.239), a low income (p = 0.042, OR = 0.138), receiving an annual flu vaccine (p = 0.020, OR = 0.328), and perceiving the COVID-19 vaccine as safe (p = 0.000, OR = 0.032).
CONCLUSIONAge is a significant determinant of COVID-19 vaccine hesitancy. Educational attainment, monthly income, receipt of annual influenza vaccine and perception on vaccine safety were found to be influential determinants. These findings offer valuable insights for evidence-based interventions to enhance vaccine acceptance to this vulnerable population.
Human ; Vaccination Hesitancy ; Covid-19 ; Pandemics ; Vaccination
4.Hesitancy towards COVID-19 booster vaccine and its associated factors among geriatric patients in a tertiary hospital in Region 1
The Filipino Family Physician 2025;63(1):26-32
BACKGROUND
The COVID-19 pandemic significantly impacted global health, especially among older adults at higher risk for severe illness. Despite the benefits of vaccination, booster vaccine hesitancy posed a barrier to optimal protection in the elderly population.
OBJECTIVEThis study aimed to identify factors associated with COVID-19 booster vaccine hesitancy among geriatric patients at the Family Medicine Outpatient Clinic of Region 1 Medical Center.
METHODSAn analytic, cross-sectional study was conducted with 183 geriatric patients aged 60 and above who had received the primary COVID-19 vaccine series. Data were collected using a 25-item questionnaire addressing sociodemographic information, medical history, COVID-19 knowledge, and vaccine attitudes. Statistical analyses, including chi-square tests and logistic regression, identified factors influencing booster vaccine hesitancy.
RESULTSThe majority of participants were between the ages of 60-69 (66.7%, n=122) and predominantly female (69.4%, n=127). High hesitancy rates were notably observed among elderly females (75.6%), individuals with lower educational attainment (79.7%), and single individuals (93.3%). Other significant factors included hypertension (76.5%) and the absence of prior influenza (81.5%) or pneumococcal (75.9%) vaccinations.
CONCLUSIONThese findings highlight the critical need for targeted educational efforts to mitigate COVID-19 vaccine hesitancy within specific subgroups, particularly elderly females, those with lower education levels, and individuals with certain health conditions. By implementing personalized outreach and emphasizing the advantages of vaccination, stakeholders can enhance vaccine uptake and improve health outcomes for this vulnerable segment of the population.
Human ; Vaccination Hesitancy ; Public Health ; Covid-19 ; Vaccines
5.Socio-cultural and technical gaps in rabies control in the Philippines
Gerry Joey P. Laurito II ; Angelika Buenaventura Ramos ; Kimberly Cu
Philippine Journal of Health Research and Development 2025;29(3):100-103
Rabies remains a persistent public health issue in the Philippines, despite the existence of national and local policies and programs aimed at addressing its eradication. The viral disease, which elicits fatality yet is preventable, disproportionately affects rural areas, especially geographically isolated and disadvantaged area due to the junction of socio-cultural and technical challenges. This commentary article explores the myriad of barriers to rabies prevention and control, including poverty, cultural beliefs, limited health literacy, health delivery, and access inequity. However, the implementation of Rabies Act of 2007, which mandates mass vaccination, education, and the establishment of Animal Bite Treatment Centers (ABTCs), has gaps in the implementation that compromises the program’s sustainability and effectiveness. Deep-rooted cultural practices and beliefs delay or, more so replace evidence-informed medical practices, while geographic isolation and underfunded healthcare facilities hinder optimal provision of care. Moreover, interagency coordination and fragmented reporting surveillance systems further complicate effective rabies control. To address the gaps, this paper advocates for a culturally tailored and community-centered One Health approach that addresses both social and technical aspects of rabies prevention. Important recommendations include decentralizing ABTCs, sustaining vaccination programs with local government support and funding, integrating rabies education into schools and community outreach, and intensifying through multisectoral collaboration both government and nongovernment institutions. Achieving a rabies-free country requires not only biomedical interventions but also a holistic approach – equitable access to healthcare, trust building in communities, and long-term political commitment. In this manner, regardless of location and socioeconomic status, it ensures that this viral disease will be controlled and prevented.
Human ; Philippines ; Social Class ; Rabies ; Virus Diseases ; Mass Vaccination
6.COVID-19 vaccine acceptance among kidney transplant recipients in Singapore.
Ian Tatt LIEW ; Hanis Abdul KADIR ; Sobhana THANGARAJU ; Quan Yao HO ; Eleanor NG ; Fiona FOO ; Terence KEE
Singapore medical journal 2025;66(2):73-80
INTRODUCTION:
A successful vaccination programme forms the cornerstone of controlling coronavirus disease 2019 (COVID-19). The unprecedented speed of COVID-19 vaccine development and lack of long-term data have raised fears regarding its safety and efficacy. Vaccine hesitancy can undermine the uptake, and hence success of the vaccination programme. Given the high complication rates of COVID-19 infections in kidney transplant recipients, it is particularly important to identify and address vaccine hesitancy in this population.
METHODS:
We conducted a cross-sectional survey among kidney transplant recipients attending transplant clinic between 5 April and 5 May 2021. The survey assessed attitudes towards COVID-19, willingness/hesitancy towards COVID-19 vaccination, vaccination concerns and prompts to vaccination. This was scored on a Likert scale with scores ranging from 'strongly disagree' - 1 point to 'strongly agree' - 5 points.
RESULTS:
One hundred and one completed responses were captured. Of these, 86% respondents reported to agree or strongly agree to vaccination. This was despite significant concerns of allograft rejection (mean score 4.12, standard deviation [SD] 0.97) and decreased immunosuppressant efficacy (mean score 4.14, SD 0.96) with vaccination. Multivariable model showed a positive association with transplant vintage of ≥ 5 years (median 2.41), lower educational levels of secondary school or less (median 5.82) and healthcare provider advocacy (median 1.88) in predicting vaccine acceptance.
CONCLUSIONS
Vaccine acceptance rate was high among kidney transplant recipients. Vaccine hesitancy remains a concern in those with a transplant vintage of less than 5 years and those with tertiary educational level. Healthcare provider advocacy is important in improving vaccine acceptance rates.
Humans
;
Kidney Transplantation
;
Singapore/epidemiology*
;
Male
;
Cross-Sectional Studies
;
Female
;
COVID-19 Vaccines
;
COVID-19/epidemiology*
;
Middle Aged
;
Adult
;
Transplant Recipients/psychology*
;
Patient Acceptance of Health Care/statistics & numerical data*
;
Vaccination Hesitancy/psychology*
;
Surveys and Questionnaires
;
Vaccination/psychology*
;
Aged
;
SARS-CoV-2
7.Recommendations for enhanced primary series (third dose) COVID-19 vaccination for people with rheumatic diseases: chapter of Rheumatologists, College of Physicians, Singapore.
Chuanhui XU ; Manjari LAHIRI ; Amelia SANTOSA ; Li-Ching CHEW ; Stanley ANGKODJOJO ; Melonie SRIRANGANATHAN ; Warren FONG ; Thaschawee ARKACHAISRI ; Ernest SURESH ; Kok Ooi KONG ; Aisha LATEEF ; Tau Hong LEE ; Keng Hong LEONG ; Andrea LOW ; Teck Choon TAN ; Ying-Ying LEUNG
Singapore medical journal 2025;66(10):532-539
INTRODUCTION:
This review aims to provide evidence-based recommendations for an enhanced primary series (third dose) coronavirus disease 2019 (COVID-19) vaccination in people with rheumatic diseases (PRDs) in the local and regional context.
METHODS:
Literature reviews were performed regarding the necessity, efficacy, safety and strategies for enhanced primary series COVID-19 vaccination in PRDs. Recommendations were developed based on evidence according to the Grading of Recommendations Assessment, Development and Evaluation (GRADE) methodology. Evidence was synthesised by eight working group members, and the consensus was achieved by a Delphi method with nine members of an expert task force panel.
RESULTS:
Two graded recommendations and one ungraded position statement were developed. PRDs have impaired immunogenicity from the COVID-19 vaccine and are at an increased risk of postvaccine breakthrough severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and poor clinical outcomes, compared to the general population. We strongly recommend that PRDs on immunomodulatory drugs be offered a third dose of the messenger RNA (mRNA) vaccine as part of an enhanced primary series, after the standard two-dose regimen. We conditionally recommend that the third dose of mRNA vaccine against SARS-CoV-2 be given at least 4 weeks after the second dose or as soon as possible thereafter. There is insufficient data to inform whether the third mRNA vaccine should be homologous or heterologous in PRDs.
CONCLUSION
These recommendations that were developed through evidence synthesis and formal consensus process provide guidance for an enhanced primary series COVID-19 vaccination in PRDs.
Humans
;
COVID-19/prevention & control*
;
COVID-19 Vaccines/administration & dosage*
;
Rheumatic Diseases/immunology*
;
Singapore
;
SARS-CoV-2
;
Vaccination/methods*
;
Delphi Technique
;
Immunization, Secondary
8.Expert initiative for the prevention and control of human papillomavirus infection and related diseases among Chinese males.
Chinese Journal of Preventive Medicine 2025;59(10):1611-1619
Human papillomavirus (HPV) infection not only causes cervical cancer in women but also leads to HPV-related cancers and genital warts in men. Globally, 82 countries have adopted a gender-neutral HPV vaccination strategy to prevent and control related diseases. In China, HPV vaccination for men has now been implemented. Based on the global and domestic burden of male HPV-related diseases, evidence on the safety and efficacy of HPV vaccines in males, and lessons from international male HPV prevention efforts, a panel of experts has developed the Expert Initiative for the Prevention and Control of HPV Infection and related diseases among Chinese males after multi-round discussions. The initiative proposes: Develop comprehensive strategies for the prevention and control of male HPV infection and related diseases; prioritize and enhance public education and awareness campaigns; promote joint prevention for both men and women and advance gender-inclusive vaccination; innovate financing mechanisms to reduce the economic burden; strengthen research on male HPV infection and vaccination to facilitate the development of new vaccines; and adopt innovative immunization models to improve the quality of vaccination services.
Humans
;
Papillomavirus Infections/prevention & control*
;
Male
;
Papillomavirus Vaccines
;
China
;
Vaccination
;
East Asian People
9.Expert consensus on immunoprophylaxis of cervical cancer and other human papillomavirus- related diseases (2025 edition).
Chinese Journal of Epidemiology 2025;46(7):1107-1141
There have been recent, significant changes in strategies and policies for elimination of cervical cancer and advances in research of human papillomavirus (HPV)-related diseases and their prevention and control. Based on the latest national and international research, and building on a consensus published in 2019, we developed an expert consensus on immunoprophylaxis of cervical cancer and other human papillomavirus-related diseases (2025 edition) in order to provide clinicians, disease prevention and control professionals, and vaccination staff a reference for the prevention and control of cervical cancer and other HPV-related diseases and systematic, comprehensive evidence-based support for the scientific use of HPV vaccines to optimize their prevention effectiveness.
Humans
;
Uterine Cervical Neoplasms/virology*
;
Papillomavirus Vaccines/therapeutic use*
;
Papillomavirus Infections/prevention & control*
;
Female
;
Consensus
;
Papillomaviridae/immunology*
;
Vaccination
;
Human Papillomavirus Viruses
10.Expert opinions on influenza vaccination for patients with common cardiovascular diseases.
Chinese Journal of Internal Medicine 2025;64(1):11-22
The influenza virus is classified as a single-stranded negative-sense RNA virus in Orthomyxoviridae family, with epidemiological properties distinct from common cold. Previous studies have found that influenza infection can cause cardiac damage through various pathways, and patients with cardiovascular diseases are at relatively higher risk of adverse disease outcomes. Influenza vaccination has been proven to provide protective effect on patients with cardiovascular diseases. Currently, there is insufficient emphasis placed by cardiologists and cardiovascular disease patients on the prevention of influenza infection, leading to a low influenza vaccination rate in China. Therefore, based on the current clinical research progress and relevant guidelines, combined with the safety, feasibility and health economic benefits of influenza vaccinating in patients with cardiovascular diseases, as well as clinical experience from experts, this article proposes expert opinions on influenza vaccination in common cardiovascular diseases aiming to raise awareness of influenza prevention and benefiting patients.
Humans
;
Cardiovascular Diseases/prevention & control*
;
Influenza Vaccines/administration & dosage*
;
Influenza, Human/prevention & control*
;
Vaccination
;
Expert Testimony


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