Patients with Katayama syndrome.

aDays post exposure with fresh water (most likely event).bDays post onset of symptoms.cDays post treatment for second visits.dLeukocyte count (n per nL). Average leukocyte count in patients 1 to 5: first visit, 9.48 cells/nl; second visit, 5.92 cells/nl (pePercent eosinophiles in total leukocytes. Average eosinophile fraction in patients 1 to 5: first visit, 18.88%; second visit: 3.2% (pfEnzyme immunoassay.gNote that 10 mL of plasma were processed. 1 copy per mL = 1.67 copies per PCR vial.