Question

The vaccine for tuberculosis is administered soon after birth because:

Options

• It replaces the need for other vaccines

• It prevents all infectious diseases

• It establishes early immune memory against the disease

• It provides permanent lifelong immunity without boosters

Answer 1

Soon after birth, a baby is given a vaccine for tuberculosis to establish early immune memory. This early vaccination allows the immune system to develop recognition of the pathogen when the body is most capable of responding, providing protection during critical early life stages.