Final answer:
The Hepatitis A vaccine should be protected from light in storage.
Step-by-step explanation:
Vaccines are biological preparations that provide immunity to specific infectious diseases. They stimulate the immune system to recognize and remember pathogens (such as viruses or bacteria) so that it can mount a rapid and effective response if the individual is exposed to the actual infectious agent later on. Vaccines have played a crucial role in preventing and controlling the spread of various diseases, contributing significantly to public health.
The vaccine that should be protected from light in storage is the Hepatitis A vaccine (option A). Vaccines are sensitive to certain environmental factors, including light, temperature, and moisture. Exposure to light can degrade the components of a vaccine, reducing its effectiveness.