To explore the clinical features of subclinical blood-stage Plasmodium infections in migrants, specifically to inform screening and management strategies.
Key Findings:
Higher proportion of anemia in Plasmodium-infected individuals (21.1% vs 6.1%, P = .048), highlighting the clinical significance.
Elevated erythrocyte sedimentation rate (ESR) in 58.1% of infected individuals compared to 25.0% of non-infected (P = .008), indicating potential inflammatory responses.
Increased plasma/serum immunoglobulin M levels (30.5% vs 10.5%, P = .030), suggesting immune activation.
Significantly more splenomegaly in infected individuals (25.4% vs 2.5%, P = .002), which may have clinical implications.
Improvement in splenomegaly and laboratory parameters after antimalarial treatment, reinforcing the need for intervention.
Interpretation:
Migrants with subclinical Plasmodium infections exhibit significant clinical abnormalities, indicating the need for screening and treatment to prevent adverse health outcomes, particularly in public health policy.
Limitations:
Retrospective design may limit the comprehensiveness of data, potentially affecting the reliability of findings.
Participants were not actively seeking healthcare, which may limit the generalizability of findings to other migrant populations.
Conclusion:
Screening and treatment of asymptomatic malaria infections in migrants should be considered to prevent complications, both in endemic and nonendemic settings, emphasizing the importance of addressing this public health issue.
by Isabelle Eliasson, Katja Wyss, Rebecca Tafesse Bogale, Sofia Forsblom, Emil Lindquist, Caroline Rönnberg, Magnus Hansson, Soheir Beshara, Irene Nordling, Olof Hertting, Andreas Wångdahl, Anna Färnert