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;
Five hepatitis viruses have been well characterized: hepatitis A (HAV), B (HBV), C (HCV), D (HDV), and E (HEV). HAV, HBV, and HCV are the most frequent causes of viral hepatitis in the United States (Table 1). HDV infection is rare in the United States, except among HBV-infected individuals.