When a person inhales a droplet containing (24 อ่าน)
When a person inhales a droplet containing tuberculosis, it enters the body. Large TB germs are attached to the nose or throat. which usually does not cause disease But the portion is small will enter the lungs The infection is destroyed by the body's immune system. If the infection is not destroyed completely, it will divide and cause infection. If the immune system is strong, it can inhibit the multiplication of TB.