My sister fell ill with hepatitis A during the exacerbation of the disease (fever), I was in constant contact with her, I would like to know exactly whether you can still prevent infection (a week passed after exacerbation), and how, and if zaradenie already happened as far as I dangerous to others and to what peridium disease.

Respond Tatyana Stepanova, a gastroenterologist, hepatologist You need to be vaccinated against hepatitis A. If an infection has occurred, then vaccinated against the disease will occur easily. Dangerous to those around the person becomes a week before the jaundice, when the first signs of the disease, which resemble the flu, and 2 weeks of jaundice period. Similar question: ... r chronic hepatitis B. It is a period of exacerbation. On TV (Samara) has passed drug advertising ...