Orthopedic surgeons often are involved in education (e.g., medical school professors) or research. They may practice in an orthopedic or multi-specialty group, or in a solo practice. Orthopedic surgeons treat a number of conditions that affect the bones, joints, muscles, ligaments, tendons, and nerves. These conditions include the following: 1  Arthritis. 2  Bone tumors. 3  Cerebral palsy. 4  Club foot, knock knees, bow legs, bunions, hammertoes. 5  Dislocations. 6  Fractures, sprains, and strains. 7  Muscle, ligament, and tendon damage. 8  Osteoporosis. 9  Spine disorders (e.g., sciatica, scoliosis, ruptured disc)
What is the hepatitis A vaccine? The vaccine is an injection that helps protect you from the virus that causes hepatitis A. Hepatitis A is a serious liver disease. The virus is usually spread by person-to-person contact or through food and liquid contaminated with the virus. The vaccine is given in 2 doses.
Twinrix is a vaccine that provides active immunity against both the hepatitis A and hepatitis B viruses. It is given in a series of 3 injections on the same schedule as the hepatitis B vaccine: an initial dose followed by doses at 1 month and 6 months.It can also be given in 4 doses, with the initial dose followed by doses at 7 days, 21 to 30 days, and 12 months.ow Well It Works. In clinical trials, 1 month after the last dose, 100% of people were immune to hepatitis A, while 99.7% were immune to hepatitis B. But in practice, immunity may not approach these levels. Hepatitis B vaccine usually does not provide immunity for more than 95% to 97% of people.