Answer:
Tuberculosis (TB) may be defined as the disease caused by the bacteria known as Mycobacterium tuberculosis. This bacteria mainly affects the lungs and can also damage the other body parts.
According to the question, it might be possible that the child is suffering from TB. It might occur due to the errors that are done in the decolorizing phase of staining with the acid fast and causes the acid fast bacteria to appear as non-acid fast. The child is suffering from TB can be inferred by the presence of the acid-fast bacteria.