Answer:
False
Step-by-step explanation:
The infectious condition tuberculosis (TB) that primarily affects the lungs is not caused by a virus, thereby making this statement false. TB is caused by a bacteria called Mycobacterium tuberculosis, or Koch's bacillus after Dr. Robert Koch who first discovered the bacteria.
This bacterium is spread person-to-person via airborne particles present in coughs, sneezes, sputum, saliva, and even what can be propelled into the air during normal speaking. Once it enters the patient's respiratory tract, the bacteria can be aspirated into the lungs where it can lay dormant, or latent, until the opportunity to create an active infection arises.
There is currently a vaccine for TB, however, it is usually only administered in populations where TB is still rampant and or those at high risk of developing a TB infection.
Because the causative agent is a bacteria, the best treatment thus far is combination bactericidal (bacteria-killing) antibiotics such as rifampin, isoniazid, and pyrazinamide. If TB was caused by a virus, these treatments would be ineffective!
But, because they are effective in treating tuberculosis, it can be confirmed that TB is caused by a bacteria, not a virus, making the given statement false.