A young woman woke up one morning with a headache, muscle soreness and malaise. Later that evening she had fever, sore throat and cough. Which of the following is not correct?
a. she is part of parasite relationship with a pathogen.
b. she was in prodrome stage of the disease when she woke up.
c. she was in the illness stage of disease that that evening.
d. she was in the incubation period when she woke up.