I was treated for HP, I stopped taking the medicine on March 23, and on April 27, I went to blow bubbles, the result was negative for HP. The doctor told me to eat and drink carefully to avoid re-infection. After that, I ate very carefully, however, once I forgot, so I shared a piece of cake with my husband, who is suffering from HP. So the doctor told me the way to infect the HP virus? I just finished taking the medicine for about 1 month so is there any chance of getting re-infected from the shared piece of cake?