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;
Hepatitis C Statistics. Hepatitis C virus (HCV) infection is the most common bloodborne infection in the US. An estimated 4.1 million people in the US are infected with HCV (1.6% of the population), of whom 3.2 million have chronic infection.1,2 HCV infection can be asymptomatic, so it is possible to have HCV and not know it.