welcome to HCM
Your aunt symptoms is not related to Hepatitis. Difficulty in swallowing with weight loss
are alarming symptoms. She needs upper GI Endoscopy. Screening for Hepatitis doesn't mean she has the problem. Doctor Might be interested in looking for Hepatitis B
and C infection for either specific or general reasons.
Prevention : General personnel hygiene , Safe drinking water , avoiding sharing of needles,safe sex.Vaccination
for Hepatitis A
and B virus. Check serum HBsAg before Vaccination for Hepatitis B Virus.