Keywords: ARV; Abscesses; Avian influenza; Behçet; Covid-19; Dengue; Ebola; Epidemics; HAE; HIV; Haemoglobin N-Baltimore; Hepatitis; Infections; Kidney disease; Malaria; Marburg; Meningitis; PPI; SARS-CoV-2; Sub-Saharan Africa; Tetanus; Tuberculosis; Visual impairment.