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8718 Microbiology

A 35-year-old man presents with symptoms of jaundice, right upper quadrant pain, and vomiting. His ALT is elevated. He is diagnosed with HAV infection after eating at a restaurant where others were also infected. Which of the following should be done to protect his 68-year-old father and his 6-month-old son?

AAdminister IFN-a to both
BGive each one dose of g-globulin
CImmunize both with one dose of hepatitis A vaccine
DQuarantine household contacts and observe
Microbiology
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