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;
2. What is Hepatitis B. Hepatitis B is caused by the hepatitis B virus, the virus is very common in Asia, China, Philippines, China, Africa and the Middle east. In Europe and North America the incidence of known carriers is about 1 in a 1000 people.epatitis B is caused by the hepatitis B virus, the virus is very common in Asia, China, Philippines, China, Africa and the Middle east.