Yes. The live vaccine (FluMist®) may suppress a positive response to a tuberculin skin testing (TST or PPD) in a person who is infected with tuberculosis (TB), resulting in a false negative skin test. If a person needs TB skin testing and LAIV, you can correctly administer both in one of three ways
Influenza vaccine does not cause flu illness. Some vaccinated people may have mild flu-like symptoms, such as mild fever and muscle aches which are caused by the immune system's response to the vaccine. These side effects are not the same as having influenza, but people often confuse them.
Some people think because the nasal spray flu vaccine contains live viruses that it can cause flu illness. The live viruses in the nasal flu vaccine (LAIV) are weakened and cannot cause flu illness. They are designed to only cause a mild infection in the cooler temperatures within the nose. They cannot infect the lungs or other areas where warmer temperatures occur.