Approximately one person dies every 18 seconds worldwide due to Tuberculosis. Why does TB not have any vaccine developed to fight the pandemic? Tuberculosis is caused by bacteria. Vaccines developed were unsuccessful. Vaccines are developed against viruses. Tuberculosis affects the lungs and nasal vaccines are ineffective.

Question:
Approximately one person dies every 18 seconds worldwide due to Tuberculosis. Why does TB not have any vaccine developed to fight the pandemic?

• Tuberculosis is caused by bacteria.
• Vaccines developed were unsuccessful.
• Vaccines are developed against viruses.
• Tuberculosis affects the lungs and nasal vaccines are ineffective.

:
The correct options are:
A. Tuberculosis is caused by bacteria.
C. Vaccines are developed against viruses.

Explanation:
Vaccines are primarily designed to develop immunity against illnesses caused by viruses. Tuberculosis, however, is caused by a type of bacteria known as Mycobacterium tuberculosis. Consequently, the approach to combating TB involves a prolonged course of strong antibiotics rather than vaccination.