Case Reports in Infectious Diseases / 2019 / Article / Tab 1

Case Series

Plasmodium vivax Infection in Multiple Family Members in Texas, USA

Table 1

Clinical and laboratory characteristics of the patients.

Patient 1Patient 2Patient 3Patient 4Patient 5Patient 6

Age (years)77112.856
GenderFemaleMaleMaleMaleFemaleFemale
FamilyAABABB
Relation to patient 1Twin brotherCousinSibling of patient 1 and 2Sibling of patients 3Sibling of patients 3 and 5
Day of presentationDay 1Day 5Day 9Day 15Day 41Day 55
Presenting symptomsFever, chills, headache, and myalgiaFever, myalgia, and fatigueFever, chills, nausea, and fatigueFever, chills, emesis, headache, and myalgiaFever, fatigue, emesis, and abdominal painFever, nausea, emesis, headache, and cough
OrganomegaliesNoneNoneNoneNoneNoneMild splenomegaly
Hemoglobin (g/dl)9.411.213.711.311.311.2
Platelets (per mm3)51,00087,000152,00099,000108,00069,000
Initial parasitemia (%)0.250.111.32.451.2
Period between immigration to US and illness∼6 months∼6 months∼9 months∼6 months∼10 months∼10.5 months
Previous malaria historyYesYesYesYesYesYes
Previous blood transfusion or travel outside Houston since immigrationNoNoNoNoNoNo
Parasitemia (%); time after treatment0.1, 3 daysNot doneNegative, 7 days0.5, 2 days; negative, 65 daysNegative, 5 days0.01, 25 days

All patients are previously healthy except patient 4 (history of idiopathic thrombocytopenic purpura).

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