There are several causes of lung pain. Some of the common ones include: Pleurisy is an inflammation or swelling of pleura (thin layers of tissue) that cover the chest wall and the lungs. There is normally a small space between the layer that covers the chest cavity and the lungs.
Who is most at risk of getting hepatitis B? Hepatitis B is common worldwide. In regions where hepatitis B is most common such as countries in Asia and Africa, at least one in five people may be infected with this virus. You have a high risk of contracting hepatitis B if you: have unprotected sex with an infected person;
The most common hepatitis viruses are types A, B, and C. Reference to the hepatitis viruses often occurs in an abbreviated form (for example, HAV, HBV, HCV represent hepatitis viruses A, B, and C, respectively.) The focus of this article is on these viruses that cause the majority of human viral hepatitis. Viruses that primarily attack the liver are called hepatitis viruses. 2  There are several types of hepatitis viruses including types A, B, C, D, E, and possibly G. Types A, B, and C are the most common. 3  All hepatitis viruses can cause acute hepatitis. 4  Viral hepatitis types B and C can cause chronic hepatitis.