Vitamin A is abundantly found in beta-carotene rich vegetables like leafy greens and orange varieties, which the body converts into Vitamin A.

Vitamins B and C are water-soluble, meaning they dissolve readily in water and are not stored in the body for long periods.

The Black Death was a historical name given to widespread outbreaks of the Plague.

Vitamin E, specifically tocopherols and tocotrienols, can form complexes with selenium, enhancing their antioxidant properties.

The influenza pandemic that followed World War I occurred in 1918.

Influenza is a viral infection, making 'Virus' the correct causative agent.

An epidemic specifically refers to a significant increase in the incidence of a disease in a particular community or region.

Dengue fever is characterized by sudden onset of high fever, severe headaches, and joint/muscle pain often described as 'neck-breaking'.

Poliomyelitis is caused by the poliovirus, a type of virus.

China was recently recognized by the WHO for its successful efforts in eradicating malaria.

Dengue is a viral infection that predominantly manifests as a high fever.

A deficiency in Vitamin E can lead to damage of nerve cells and muscles, resulting in associated disorders.

Vitamin D is essential for calcium absorption, and its deficiency in children leads to rickets, a condition characterized by soft, weakened bones.

Rickets is the disease directly linked to Vitamin D deficiency, which is essential for calcium absorption and bone mineralization.

Chloroquine is a well-established and historically significant antimalarial drug.