Burden of vaccine-preventable diseases, trends in vaccine coverage and current challenges in the implementation of the expanded program on immunization: A situation analysis of Cameroon

Ngwa, Che Henry; Doungtsop, Brigitte Carole Keumatio; Bihnwi, Rengerline; Ngo, Ngo Valery; Yang, Niendum Mediatrice

doi:10.1080/21645515.2021.1939620

Cited by 4 publications

(2 citation statements)

References 57 publications

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“…Vaccines provide a safe and cost-effective solution to vaccine-preventable infectious diseases. However, vaccine-preventable infectious diseases still pose a serious public health threat, especially in the world's poor regions [1] . In sub-Saharan Africa, this burden is further aggravated by the occurrence of concurrent epidemics such as COVID-19, Ebola virus disease, monkeypox, and measles overstretching the already weak public health system [2] .…”

Section: Introductionmentioning

confidence: 99%

Trends of measles in Tanzania: A 5-year review of case-based surveillance data, 2018-2022

Michael,

Mirambo,

Misinzo

et al. 2024

International Journal of Infectious Diseases

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Section: Introductionmentioning

confidence: 99%

Trends of measles in Tanzania: A 5-year review of case-based surveillance data, 2018-2022

Michael,

Mirambo,

Misinzo

et al. 2024

International Journal of Infectious Diseases

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“…Vaccination is a highly cost-effective measure against vaccine preventable diseases (VPD). It has contributed significantly to global health improvements [1]. Vaccines have played a pivotal role in eradicating and controlling life-threatening diseases worldwide [2,3].…”

Section: Introductionmentioning

confidence: 99%

Factors that influence the availability of childhood vaccine in healthcare facilities at Tana River County, Kenya

Mkamba,

Rutungwa,

Karimi

et al. 2023

J of Pharm Policy and Pract

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Background Routine vaccine is a cost-effective health intervention against vaccine preventable diseases (VPD). Tremendous gains have been realized since the introduction of vaccines. Despite the gains, access to the lifesaving commodity has remained a major obstacle globally. Various factors have been associated with vaccine stock-out. This research assessed the factors that influence the availability of vaccines in healthcare facilities at Tana River County in Kenya. Methods Cross-sectional design was adopted. Census sampling technique was used where all 61 immunizing healthcare facilities were included. The study was carried out in Tana River County which is located in the coastal part of Kenya. A structured questionnaire was used to collect the data. The researchers requested for authorization from relevant bodies and consent from participants. Data were collected, cleaned and recorded in Microsoft excel. STATA version 14 was used to analyze data. Both descriptive and inferential statistics were used in the analysis at 0.05 level of significance. Results The study revealed that 62.71% of the facilities experienced routine vaccine stock-out. There was statistically significant association between availability of vaccines and work experience (p = 0.001), training on immunization services (p = 0.027), catchment area map with target population displayed in the facility (p = 0.049), and use of target population method in vaccine forecasting (p = 0.004). The independent predictor of vaccine availability was work experience (p = 0.025). Conclusion There was inadequate vaccine forecasting, vaccine stock management practices and accountability. Work experience was the main factor that affected their availability in the health facilities.

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Changes and determinants of pneumococcal vaccine uptake in Ethiopia

Mamo,

Geram,

Getnet

et al. 2023

Preprint

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Background: Pneumococcal pneumonia is one of the most common causes of severe pneumonia and pneumonia-related mortality globally. It is one of the top five causes of mortality and mortality in children under five in Ethiopia. Vaccinating children reduced the disease burden of pneumonia and death-related pneumococcal infection for both child and adult populations. Pneumococcal Pneumonia is one of the vaccine-preventable diseases. Objective: To assess how pneumococcal vaccine uptake changes over time and to identify factors associated with uptake of the pneumococcal vaccine. Data: This study was conducted based on secondary data obtained from the Ethiopian Demographic and Health Surveys (EDHS) conducted in 2016 and 2019, two nationally representative surveys. A total of 1929 and 1008 children of aged 12–23 months were included res from the 2016 and 2019 Demographic and Health Surveys respectively. Method: The Percentage change in pneumococcal vaccine (PCV) coverage was used to quantify the degree of change over time. To identify the significant factors associated with the uptake of PCV vaccines, a multilevel ordinal logistic regression model was used. All statistical tests were run with a significance threshold of 5%. Result:The percentage of children aged 12-23 months who received complete doses of PCV vaccination increased from 49.1% in 2016 to 59.8% in 2019 with a significant 21.8% increase [95% CI: 9.8-35.2]. Children in rural areas are 69% less likely to receive more doses of PCV vaccinations than those who live in urban areas (AOR=0.307, 95% CI: 0.127 - 0.742). Second-or higher-order births are associated with higher uptake of doses of PCV vaccinations (AOR=2.519, 95% CI: 1.143-5.548]). Compared to children born at home, children born in health facilities were 2.35 times more likely to receive greater doses of the PCV vaccination (AOR=2.350, 95% CI: 1.132-4.882). Children born from the women who received more ANC visits were significantly more likely to receive complete PCV coverage. Conclusion: We observed a significant increase in the uptake of PCV vaccines across the two survey years even though Ethiopia is still far away from achieving national immunization goals. Our results also show that place of residence, birth order, place of delivery, ANC visits, and region were significantly associated with pneumococcal vaccine uptake.

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Burden of vaccine-preventable diseases, trends in vaccine coverage and current challenges in the implementation of the expanded program on immunization: A situation analysis of Cameroon

Abstract: Yang (2021): Burden of vaccine-preventable diseases, trends in vaccine coverage and current challenges in the implementation of the expanded program on immunization: A situation analysis of Cameroon, Human Vaccines & Immunotherapeutics,

Cited by 4 publications

References 57 publications

Trends of measles in Tanzania: A 5-year review of case-based surveillance data, 2018-2022

Trends of measles in Tanzania: A 5-year review of case-based surveillance data, 2018-2022

Factors that influence the availability of childhood vaccine in healthcare facilities at Tana River County, Kenya

Changes and determinants of pneumococcal vaccine uptake in Ethiopia

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