Et fald i blodplader under 50. 000/ mm3 blev også observeret i 4% (8/ 194) af de patienter, der modtog ViraferonPeg i kombination med ribavirin.
In Study 1 (see section 5.1), decrease in absolute neutrophil count levels below 500 cells/mm3 was observed in 4% (8/194) of patients and decrease in platelets below 50,000/mm3 was observed in 4% (8/194) of patients receiving ViraferonPeg in combination with ribavirin.