19 May 2026
: Case report 
Erythrovirus-B19-Induced Pure Red Cell Aplasia Revealing Untreated HIV Infection
Challenging differential diagnosis, Rare disease
Pedro Moreno Fonseca
ABCDEF 1,2*, Jaysa Pizzi F 3,4, Frederico da Cunha Abbott BD 1, Gisele Oro Boff BDE 1,4, Andressa Noal AEF 1,2, Verônica Farias B 5, Irajane Assis de Albuquerque B 6, Nicole Reis EF 1,7
DOI: 10.12659/AJCR.952075
Am J Case Rep 2026; 27:e952075
Figure 3 Hemoglobin timeline and key clinical interventions. Hemoglobin levels over time in relation to antiretroviral therapy (ART) initiation, intravenous immunoglobulin (IVIG) administration, and the period of multiple red blood cell (RBC) transfusions. Hemoglobin stabilization (10.8 g/dL) was observed in October 2025.