<span>If you have hepatitis A infection you have inflammation in your liver that's caused by a
virus. Other symptoms of this virus are jaundice (yellow eyes and skin, dark urine), pain in
your belly, loss of appetite, nausea, fever, diarrhea and fatigue. </span>A vaccination against
this virus is unnecessary if you have been infected in the past.
The answer to number 3 is d.
Think about everyday things you use like vacuum cleaners that help you clean your floors, refrigerators that keep your food from spoiling. Hope this helps
