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62.8 %Treatment 'buddy' program participation was reported in 62.8% of patients.

Sierra LeoneVIH/sidaobserved 2019-2020published 2021Global health actioneurope_pmcdocument of 4 observationsDOI 10.1080/16549716.2021.1947566

62.1 %Bacterial growth was detected in wound swabs from 62.1% of 29 patients with surgical site infection (SSI).

Sierra Leonesurgical site infectionobserved February and July 2021published 2022Antimicrobial resistance and infection controleurope_pmcdocument of 15 observationsDOI 10.1186/s13756-022-01078-y

300 casesIn advanced HIV disease in Sierra Leone, there are an estimated 300 annual cases of cryptococcal meningitis.

Sierra Leoneméningite cryptococcique · VIH/sidapublished 2021Therapeutic advances in infectious diseaseeurope_pmcdocument of 9 observations

365,326 patientsOverall ART uptake in Sierra Leone was 365,326 before the COVID-19 pandemic (March 2019–February 2020), 416,069 during the pandemic (March 2020–February 2021), and 518,426 after the pandemic (March 2021–February 2022).

Sierra LeoneVIH/sidaobserved March 2019-February 2020published 2025Evidence of health-system resilience in the uptake of antiretroviral therapy in Sierra Leoeurope_pmcdocument of 2 observations

6.3 %Hydroxychloroquine was used in 6.3% of the articles on COVID-19 patients with sepsis or septic shock.

Sierra LeoneCOVID-19 · sepsis · septic shockpublished 2020Sepsis and septic shock in COVID-19: a scoping review of the research dataeurope_pmcdocument of 17 observationsDOI 10.21203/rs.3.rs-30474/v1

7.4 %The prevalence of diabetes mellitus was 7.4% among males and 9.2% among females in Sierra Leone.

Sierra Leonediabète (non précisé)published 2023Sex-and-gender differences in cardiovascular risk factors and their correlates among adulteurope_pmcdocument of 5 observations

25 %Bacterial cultures were documented in 25% of the eligible articles on COVID-19 patients with sepsis or septic shock.

Sierra LeoneCOVID-19 · sepsis · septic shockpublished 2020Sepsis and septic shock in COVID-19: a scoping review of the research dataeurope_pmcdocument of 17 observationsDOI 10.21203/rs.3.rs-30474/v1

4 %The estimated prevalence of septic shock among COVID-19 patients ranges from 4% to 28.9%.

Sierra LeoneCOVID-19 · septic shockpublished 2020Sepsis and septic shock in COVID-19: a scoping review of the research dataeurope_pmcdocument of 17 observationsDOI 10.21203/rs.3.rs-30474/v1

58,588 testsThe median number of HIV tests in Sierra Leone was 58,588 in the pre-COVID-19 phase (March 2019 to February 2020).

Sierra LeoneVIH/sidaobserved March 2019 to February 2020published 2025Impact of the COVID-19 pandemic on regional and national uptake of HIV testing services ineurope_pmcdocument of 11 observations

8.2 %Klebsiella oxytoca accounted for 8.2% of 49 bacterial isolates from surgical site infections.

Sierra Leonesurgical site infectionobserved February and July 2021published 2022Antimicrobial resistance and infection controleurope_pmcdocument of 15 observationsDOI 10.1186/s13756-022-01078-y

42.9 %The overall prevalence of advanced HIV was 42.9% among young HIV patients aged 15 to 24 years at a major hospital in Sierra Leone between September 2022 and March 2023.

Sierra LeoneVIH avancéobserved September 2022 to March 2023published 2023Prevalence and factors associated with advanced HIV disease among young people aged 15 - 2europe_pmcdocument of 8 observationsDOI 10.1101/2023.11.07.23296880

94 %Patients presenting with 10 million EBOV copies per milliliter or more had a case fatality rate of 94%.

Sierra LeoneEBOVpublished 2014The New England journal of medicineeurope_pmcdocument of 14 observations

14.2 %The prevalence of left ventricular hypertrophy (LVH) by 2D-echocardiography among adults in Freetown, Sierra Leone was 14.2%.

Sierra Leoneleft ventricular hypertrophyobserved 2019–2021published 2023Burden of cardiometabolic risk factors and preclinical target organ damage among adults ineurope_pmcdocument of 8 observationsDOI 10.1101/2023.02.20.23286145

51.9 %Community-acquired infection was the most common indication for antibiotic use, accounting for 51.9% of cases.

Sierra Leonecommunity-acquired infectionpublished 2023BMJ openeurope_pmcdocument of 14 observationsDOI 10.1136/bmjopen-2023-078367

Healthcare-associated infections result in millions of avoidable deaths or prolonged lengths of stay in hospitals.

Sierra Leonehealthcare-associated infectionspublished 2022International journal of environmental research and public healtheurope_pmcdocument of 4 observationsDOI 10.3390/ijerph19073787

20,338 dosesThe median monthly uptake of IPTp1 was 20,338 during COVID-19.

Sierra Leonepaludismepublished 2025Impact of the COVID-19 pandemic on the uptake of intermittent sulphadoxine-pyrimethamine feurope_pmcdocument of 5 observations

As of February 2025, South Sudan, South Africa, and Sierra Leone experienced community-based transmission of mpox in limited clusters.

Afrique du Sud · Sierra Leonempoxobserved February 2025Africa CDCdocument of 110 observations

73 %Among confirmed COVID-19 patients, 73% of the antibiotics prescribed belonged to the 'WATCH' group.

Sierra LeoneCOVID-19published 2022International journal of environmental research and public healtheurope_pmcdocument of 3 observationsDOI 10.3390/ijerph19074005

0.51 aORPatients on short regimen had lower odds of treatment success for drug-resistant TB (adjusted odds ratio: 0.51).

Sierra Leonedrug-resistant TBpublished 2026PLOS global public healtheurope_pmcdocument of 6 observations

5,000 casesAround 5,000 cases of TB in Sierra Leone are missing each year.

Sierra Leonetuberculosepublished 2026PLOS global public healtheurope_pmcdocument of 6 observations

17,755 men_testedIn the during-COVID-19 phase, 17,755 men were tested for HIV in Sierra Leone.

Sierra LeoneVIH/sidaobserved during COVID-19published 2025Impact of the COVID-19 pandemic on regional and national uptake of HIV testing services ineurope_pmcdocument of 11 observations

20.4 %Klebsiella pneumoniae accounted for 20.4% of 49 bacterial isolates from surgical site infections.

Sierra Leonesurgical site infectionobserved February and July 2021published 2022Antimicrobial resistance and infection controleurope_pmcdocument of 15 observationsDOI 10.1186/s13756-022-01078-y

74,954 testsThe median number of HIV tests in Sierra Leone was 74,954 in the post-COVID-19 phase (March 2021 to February 2022).

Sierra LeoneVIH/sidaobserved March 2021 to February 2022published 2025Impact of the COVID-19 pandemic on regional and national uptake of HIV testing services ineurope_pmcdocument of 11 observations

228 patientsOf 701 drug-resistant TB patients, 228 (32.5%) were registered during the COVID-19 period.

Sierra Leonedrug-resistant TBobserved during COVID-19published 2025Effect of the COVID-19 pandemic on drug-resistant tuberculosis treatment outcomes at a nateurope_pmcdocument of 9 observations

59.2 %Among Enterobacteriaceae isolates, 59.2% were extended-spectrum beta-lactamase (ESBL) producing organisms.

Sierra Leonesurgical site infectionobserved February and July 2021published 2022Antimicrobial resistance and infection controleurope_pmcdocument of 15 observationsDOI 10.1186/s13756-022-01078-y