Assessing the impact of COVID-19 on routine immunization in Sierra Leone.

BACKGROUND: The COVID-19 pandemic had a profound impact on healthcare systems and services, including routine immunization (RI). To date, there is limited information on the effects of the COVID-19 pandemic on RI in West African countries such as Sierra Leone, which had already experienced public health emergencies that disrupted its healthcare system. Here, we describe the impact of the COVID-19 pandemic on the RI of key antigens in Sierra Leone. METHODS: We used vaccination data from the District Health Information System for BCG, measles-rubella 1 and 2, and pentavalent 1 and 3 antigens. We compared 2019, 2020, 2021, and 2022 annual coverage rates for the selected antigens at the national and district levels. We used the Pearson chi-square test to assess the difference between annual coverage rates between 2019 and 2020, 2020-2021, and 2021-2022. RESULTS: National coverage rates for all antigens declined in 2019-2020, notably measles-rubella 1 and pentavalent 3 (-5.4% and - 4.9%). Between 2020 and 2021, there was an overall increase in coverage (+ 0.2% to + 2.5%), except for measles-rubella 2 (-1.8%). Measles-rubella antigens rebounded in 2021-2022, while others decreased between - 0.5 and - 1.9% in coverage. Overall, all district-level coverage rates in 2022 were lower than those in 2019. Most districts decreased between 2019 and 2022, though a few had a continuous increase; some had an increase/recovery between 2020 and 2021; some districts had recovered 2019 levels by 2022. CONCLUSION: The COVID-19 pandemic impacted Sierra Leone's national BCG, measles-rubella, and pentavalent antigen immunization, which were not fully restored in 2022. Most districts experienced notable coverage declines during the pandemic, though a few reached or surpassed 2019 rates in 2022. Examining pandemic impact can benefit from a focus beyond the national level to identify vulnerable regions. Sierra Leone's post-pandemic RI reestablishment needs targeted strategies and continual investments for equitable access and coverage, as well as to prevent vaccine-preventable diseases.

Factors associated with unfavorable treatment outcomes among multidrug-resistant tuberculosis patients, Sierra Leone: a cross-sectional secondary data analysis.

BACKGROUND: Globally, multidrug-resistant tuberculosis (MDR-TB) is a major public health problem. The tuberculosis rate in Sierra Leone is 298 per 100,000 people, and Sierra Leone is considered a country with a high burden of tuberculosis. In Sierra Leone, there are few studies on the outcomes of MDR-TB treatment, especially those exacerbated by COVID-19. We identified factors associated with unfavorable treatment outcomes among people with MDR-TB in Sierra Leone. METHODS: We conducted a cross-sectional study to analyze hospital-based MDR-TB data from 2017 to 2021. Demographic, clinical, and treatment outcome data were extracted from the main MDR-TB referral hospital database. We defined unfavorable outcomes as patients who died, were lost to follow-up, or defaulted. We calculated adjusted odds ratios (aORs) and 95% confidence intervals (CIs) to identify predictors of the outcomes of MDR-TB treatment. RESULTS: Between 2017 and 2021, 628 people with MDR-TB were reported at Lakka Hospital; 441 (71%) were male, with a median age of 25 years (interquartile ranges: 17-34). Clinically, 21% of the 628 MDR-TB patients were HIV positive, and 413 were underweight (66%). 70% (440) of MDR-TB patients received tuberculosis treatment. The majority of patients, 457 (73%), were treated with a short treatment regimen, and 126 (20%) experienced unfavorable outcomes. Age 45 years or younger (aOR = 5.08; CI:1.87-13.82), 21-45 years (aOR = 2.22; CI:140-3.54), tuberculosis retreatment (aOR = 3.23; CI:1.82-5.73), age group, HIV status (aOR = 2.16; CI:1.33-3.53), and malnourishment status (aOR = 1.79; CI:1.12-2.86) were significantly associated with unfavorable treatment outcomes for DR-TB patients. CONCLUSION: This analysis revealed a high proportion of unfavorable treatment outcomes among MDR-TB patients in Sierra Leone. Malnourishment, TB retreatment, HIV coinfection, and age 45 years or younger were associated with unfavorable outcomes of MDR-TB treatment. Increasing patients' awareness, mainly among young people, heightens treatment adherence and HIV monitoring by measuring the amount of HIV in patient blood, which can reduce adverse treatment outcomes in Sierra Leone and other sub-Saharan African countries.

Digitalizing disease surveillance: experience from Sierra Leone.

The Integrated Disease Surveillance and Response (IDSR) system was adopted by the Sierra Leone Ministry of Health (MOH) in 2008, which was based on paper-based tools for health data recording and reporting from health facilities to the national level. The Sierra Leone MoH introduced the implementation of electronic case-based disease surveillance reporting of immediately notifiable diseases. This study aimed to document and describe the experience of Sierra Leone in transforming her paper-based disease surveillance system into an electronic disease surveillance system. Retrospective mixed methods of qualitative and quantitative data were reviewed. Qualitative data was collected by reviewing surveillance technical reports, epidemiological bulletins, COVID-19, IDSR technical guidelines, Digital Health strategy, and DHIS2 documentation. Content and thematic data analysis were performed for the qualitative data, while Microsoft Excel and DHIS2 platform were used for the quantitative data analysis to document the experience of Sierra Leone in digitalizing its disease surveillance system. In early 2017, a web-based electronic Case-Based Disease Surveillance (eCBDS) for real-time reporting of immediately notifiable diseases and health threats was piloted using the District Health Information System 2 (DHIS2) software. The eCBDS, integrates case profile, laboratory, and final outcome data. All captured data and information are immediately accessible to users with the required credentials. The system can be accessed via a browser or an Android DHIS2 application. By 2021, there was a significant increase in the proportion of immediately notifiable cases reported through the facility-level electronic platform, and more than 80% of the cases reported through the weekly surveillance platform had case-based data in eCBDS. Case-based data from the platform is analyzed and disseminated to stakeholders for public health decision-making. Several outbreaks of Lassa fever, Measles, vaccine-derived Polio, and Anthrax have been tracked in real-time through the eCBDS.

Behavioral practices towards antibiotic use among health care workers - Sierra Leone, 2021: a facility-based cross-sectional study.

Introduction: globally, antimicrobial resistance (AMR) kills around 1.27 million 700,000 people each year. In Sierra Leone, there is limited information on antibiotic use among healthcare workers (HCWs). We assessed antibiotic prescribing practices and associated factors among HCWs in Sierra Leone. Methods: we conducted a cross-sectional survey among HCWs. We collected data using a questionnaire containing a Likert scale for antibiotic prescribing practices. We categorized prescribing practices into good and poor practices. We calculated adjusted odds ratios (aOR) to identify risk factors. Results: out of 337 (100%) HCWs, 45% scored good practice. Out of the total, 131 (39%) of HCWS considered fever as an indication of antibiotic resistance and 280 (83%) HCWs prescribed antibiotics without performing microbiological tests and 114 (34%) prescribed a shorter course of antibiotics. Factors associated with good practice were being a doctor (aOR=1.95; CI: 1.07, 3.56), the internet as a source of information (aOR=2.00; CI: 1.10, 3.66), having a high perception that AMR is a problem in the health-facility (aOR=1.80; CI: 1.01, 3.23) and there is a connection between one´s prescription and AMR (aOR=2.15; CI: 1.07, 4.32). Conclusion: this study identified a low level of good practice toward antibiotic prescription. We initiated health education campaigns and recommended continuous professional development programs on antibiotic use.

Evaluation of a Hypertension Surveillance System, Kenema Government Hospital, Sierra Leone, 2021.

This observational study assessed key attributes of the hypertension surveillance system at Kenema Government Hospital, Kenema District, Sierra Leone. We administered semistructured questionnaires; reviewed hospital registers, patient charts, and the District Health Information Software database; and rated the implementation status of each attribute as poor (1-3), average (4-6), or good (7-10). Of the 7 attributes, simplicity, flexibility, and acceptability were good; stability was average, but timeliness, sensitivity, and data quality were poor. Overall, the usefulness of the hypertension surveillance system was poor, as it did not monitor hypertension trends, nor was it linked to public health action.

Late diagnosis of Lassa fever outbreak in endemic areas lead to high mortality, Kenema District, Sierra Leone, February - March 2019.

Introduction: the Kenema District Surveillance team in Sierra Leone received notifications of patients with suspected Lassa fever on February 20th and March 2nd, 2019. On that day, an investigation started to confirm the diagnosis and search for additional cases. Methods: we used the Lassa fever surveillance case definition and collected demographic and exposure information from suspected cases through interviews and clinical records. Blood samples were collected from the cases to confirm the diagnosis. Active case finding was conducted in the community and health facility. Results: on February 10, 2019, an eight-year-old male developed a fever (>39.5°C) and a sore throat. On February 18, 2019, he was admitted to a hospital and treated for malaria and pneumonia. On February 20, 2019, Lassa fever was suspected because the patient was bleeding from orifices and testing. On February 15, a 5-year-old female developed fever and headache and was treated with anti-malarial drugs. On February 26th the high fever re-emerged with severe bleeding from the orifices. She was admitted and treated with antibiotics, confirmed for Lassa fever, and died on March 2, 2019. Conclusion: the two children had Lassa fever, and no additional cases were identified. We sensitized clinicians on suspicion of Lassa fever to improve early detection and treatment.

Assessment of Water, Sanitation and Hygiene Practices Among Households, 2019 - Sierra Leone: A Community-based Cluster Survey.

Introduction: In Sierra Leone, diseases related to water, sanitation, and hygiene remain among the leading cause of morbidity and account for 20% of all death. This study assessed the water, sanitation, and hygiene services and practices at household level in Sierra Leone. Methods: A cluster survey was conducted among 1002 households in 4 districts of Sierra Leone. Data was collected on water, sanitation, and hygiene indicators, occurrence of diarrhoeal diseases at household level within 14-day prior to the survey. Chi-square test at 95% significant level was computed to compare the difference in accessing improved water sources, sanitation, and hygiene in urban and rural areas. Result: Of the 1002 households surveyed, 650 (65%) had access to improved drinking water sources. In the urban areas, 432 (88%) out of 486 households had improved drinking water source, which is higher as compared to rural areas. Only 218 (42%) out of 516 households had improved drinking water (P < .001). Of the total households surveyed, 167 (17%) had improved sanitation with 45 (5%) having a handwashing facility. There were 173 households reporting diarrhoeal disease within 2 weeks prior to the survey, with prevalence of 17%. Conclusion: Majority of households in rural areas do not have access to improved water sources, sanitation, and handwashing facilities. This study found a high prevalence of diarrhoeal disease at the household level. It is recommended that The Ministry of Health and Sanitation work with relevant sectors to increase access to improved drinking water, sanitation, and handwashing facilities in rural areas.

Prevalence and risk factors of diarrheal diseases in Sierra Leone, 2019: a cross-sectional study.

INTRODUCTION: many studies have shown that unimproved water sources, inadequate sanitation facilities and poor hygiene are the main causes of diarrheal diseases, especially in developing countries. The aim of this study was to determine the prevalence and risk factors associated with diarrheal diseases in Sierra Leone. METHODS: a cross-sectional study was conducted in March 2019. We used a questionnaire to collect data from study participants. Descriptive statistical analysis was followed to determine frequencies and percentages. Univariate analysis was used to find any association between dependent variable and independent variables. Independent variables that had an association in univariate were included in the multivariate model. RESULTS: we surveyed 1,002 households (516 in rural and 486 in urban), and 2,311 respondents in four districts. The main source of income was farming 437 (43.6%). A total of 49 (54.2%) households earned below the national minimum wage per month. Females represented 61.9% of respondents. A total of 242 (32.2%) households had one to five household members and 229 (30.5%) households had more than ten members. Around 88.9% of households in urban, and 42.2% rural areas use improved water sources. The prevalence of diarrheal diseases was 12.3%. Multivariate analysis showed that using of unimproved water sources (aOR=1.9; 95% CI, 1.01 to 3.63, p=0.045), and large family size (aOR= 2.5; 95% CI, 1.18 to 5.35, p=0.017) were associated with diarrheal disease. CONCLUSION: we concluded that the risk factors associated with diarrheal diseases included unimproved water sources and large family size. More efforts required to improve water resources, adequate sanitation, and hygiene, particularly in rural areas.