Question: A healthcare worker is concerned that they may have been infected with hepatitis B due to an accidental needlestick from an infected patient. Serology testing is significant for negative HBsAg and anti-HBc and positive anti-HBs. This suggests that the patient is: Need Online Tutoring? A. Immune due to natural infection B. Immune due to hepatitis B vaccination C. Chronically infected D. Acutely infected