Symptom Duration and Risk Factors for Delayed Return to Usual Health Among Outpatients with COVID-19 in a Multistate Health Care Systems Network — United States, March–June 2020 | MMWR
Module 4 - Epidemiologic Study Designs 1:
A case-control and cohort study to determine the relationship between ethnic background and severe COVID-19 - eClinicalMedicine
Retrospective study of toxoplasmosis prevalence in pregnant women in Benin and its relation with malaria | PLOS ONE
Cohort Studies
Venereology | Free Full-Text | A Global Scoping Review of the Factors Associated with HIV and Syphilis Co-Infection: Findings from 40 Countries
Association between COVID-19 pandemic and the suicide rates in Nepal | PLOS ONE
Medicina | Free Full-Text | Postoperative Hypophosphatemia as a Prognostic Factor for Postoperative Pancreatic Fistula: A Systematic Review
Social and health factors associated with adverse treatment outcomes among people with multidrug-resistant tuberculosis in Sierra Leone: a national, retrospective cohort study - The Lancet Global Health
Protection against SARS-CoV-2 after Covid-19 Vaccination and Previous Infection | NEJM
Clinical features, diagnostics, and outcomes of patients presenting with acute respiratory illness: A retrospective cohort study of patients with and without COVID-19 - eClinicalMedicine
SARS-CoV-2 pneumonia follow-up and long COVID in primary care: A retrospective observational study in Madrid city | PLOS ONE
Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021 | MMWR
Frontiers | A Retrospective Cohort Study on the Clinical Course of Patients With Moderate-Type COVID-19
Cohort Studies
Mortality and life-years lost following subsequent physical comorbidity in people with pre-existing substance use disorders: a national registry-based retrospective cohort study of hospitalised individuals in Czechia - The Lancet Psychiatry
Effectiveness of Pfizer-BioNTech mRNA Vaccination Against COVID-19 Hospitalization Among Persons Aged 12–18 Years — United States, June–September 2021 | MMWR
A retrospective cohort study of 238,000 COVID-19 hospitalizations and deaths in Brazil | Scientific Reports
A single-center, retrospective study of COVID-19 features in children: a descriptive investigation | BMC Medicine | Full Text
Association between central obesity and incident diabetes mellitus among Japanese: a retrospective cohort study using propensity score matching | Scientific Reports
Association of coagulation dysfunction with cardiac injury among hospitalized patients with COVID-19 | Scientific Reports
Retrospective study of the immunogenicity and safety of the CoronaVac SARS-CoV-2 vaccine in people with underlying medical conditions | Communications Medicine
Epidemiology, clinical characteristics, and virologic features of COVID-19 patients in Kazakhstan: A nation-wide retrospective cohort study - The Lancet Regional Health – Europe
Efficacy and practice of facemask use in general population: a systematic review and meta-analysis | Translational Psychiatry
A single-centre, retrospective study of the incidence of invasive fungal infections during 85 years of autopsy service in Brazil | Scientific Reports
