Tuberculosis (TB) is a disease caused by bacteria that are spread from person to person through the air. TB usually affects the lungs, but it can also affect other parts of the body, such as the brain, the kidneys, or the spine.ultidrug-resistant TB (MDR TB) is caused by an organism that is resistant to at least isoniazid and rifampin, the two most potent TB drugs.
The WithEvents statement and the Handles clause are often the best choice for event handlers because the declarative syntax they use makes event handling easier to code, read and debug. However, be aware of the following limitations on the use of WithEvents variables:
Serevent is used for preventing asthma attacks rather than treating attacks as they occur. Because Serevent is a controller medication, people who use it should also have access to a rescue medication (such as an albuterol inhaler) in case an asthma attack occurs. Serevent is approved for use in adults and children at least four years old. There are currently no universally accepted off-label Serevent uses.