Deadly tuberculosis reported at California hotel housing the homeless
Fox News medical contributor Dr. Marc Siegel on the significance of the tuberculosis outbreak and how illegal immigration plays a role and says bird flu is currently not a risk to the human population
TB is an infectious disease that most often affects the lungs. It is caused by bacteria that spreads through the air when infected people cough, speak or sing. (Spencer Platt/Getty Images)
Tuberculosis can show up as pulmonary TB, infection in the lungs or extra-pulmonary TB, which are infections in other parts of the body. (iStock)
KDHE confirmed that the outbreak is "still ongoing, which means there could be more cases." (iStock)