A 38-year-old man presents 10 hours after a deer tick bite in an endemic area. The engorged tick was removed intact; estimated attachment time 48 hours. He is asymptomatic. Best next step?AGive doxycycline 200 mg orally once within 72 hoursBNo prophylaxis; provide routine wound care onlyCStart amoxicillin 500 mg orally three times daily for 14 daysDOrder Lyme serology now and treat if positiveEAdminister doxycycline 100 mg twice daily for 7 daysCheck my answer