Morocco(4) acute respiratory distress syndrome(3) hepatitis B(3) varicella.(3) hepatitis C(2) HIV(2) Hepatitis E.(2) HIV coinfection(2) hepatitis A virus(2) Gabon(2) syphilis.(1) Tunisia(1) monkeys/apes(1) trends.(1) Trypanosoma lewisi(1) vaccinia.(1) HBV(1) Epidemiology(1) interspecies transmission(1) incidence(1) Trypanosome(1) poxvirus(1) ORF(1) Togo(1) Central Africa Republic(1) Outbreak.(1) atypical trypanosomiasis(1) smallpox(1) Prevalence.(1) Blood donors(1)