Unresolved Splenomegaly in Recently Resettled Congolese Refugees --- Multiple States, 2015--2018

Despite recommendations, most U.S.-bound Congolese refugees with splenomegaly did not have documented receipt of primaquine after resettlement. Most patients were clustered within families. Approximately 50% of patients with available medical records had persistent splenomegaly >6 months after arrival; 63% of patients with splenomegaly had a hematologic abnormality.